Your battery is only able to charge with this type of current. Ran a few minutes and stalled. Charging voltages are ok so a new one may be in order. Hi Dave, Not really sure what bike you have there, but if you are only measuring 6v anywhere on a 12v electrical system then there is something very wrong! Required fields are marked *. In fact, if your battery is checked at a “resting state” (meaning no charge or draw is being used and it reads 12.0- 12.01-volts), it’s pretty much considered a goner. I hope you are able to learn these important steps, as well as some important fundamentals to better understand exactly what it is you’re testing. If the voltage measured 12.73 volts or better, then your battery is charged and ready to go. The next day, I turned on my electric grips which upon turning on my ignition, drop the voltage to 11.8. Now on to testing the main charging function, the voltage output from the Regulator. My 12 volt 35/35 watt head lamp system started decreasing battery voltage and incurred hard re-start condition once I modified my headlights to receive 55 watt H1’s….possibly regulator on this 250 cc cannot produce enough voltage…I just ordered some low watt LED’s and have a new battery i’m going to charge and retry before installing LED’s…your thoughts are..? Besides, it’s quite versatile feeding the steady current at 12V resulting in the … I plan to put it in the bike today and get it running. If it is an old style non-sealed unit, then just check the fluid levels and top up. I rode it all day yesterday and it was going fine (I’ve had a few battery issues so I just hook up my multimetre whenever we stop to suss out how it’s going) it I did notice during the day it dropped to 12.6v, and then to 12.25v just as we called it a day and went home. Great no nonsense pages, just what I wanted, thanks a lot and well done ! All works fine at idle, but amp goes into protect when throttled up. – Your stator has not failed (which would cause the voltage to never make it to the battery). Because of the special nature of a 6-volt battery, it requires a specific charger, often referred to as a trickle charger. Your motorcycle functions either off of a 6-volt (early 60s-70s) or a 12-volt system. While you ride, your ignition system, head light, tail lights, signals, horn, blenders and disco balls require electricity to operate correctly. From what I have read the amperage is OK for a normal charge (4A is quick charge) but the 16V is way higher than experts suggest. so put voltmeter across battery (pos Earth) spot on up to 14.55v Tried another ammeter no joy both show discharging when lights on but no charge.checked wiring in series neg to ignition switch all seem OK. Any ideas please. Then the battery started ‘clicking’ (dead battery sound) after about the 5th times starting. Dual USB Port 4.2A Voltage Display Motorcycle Charger Power Adapter LED Voltmeter SAE Charging Adapter for Car Motor Universal: Amazon.sg: Electronics Test the voltage of the battery using your multimeter. There are also the ‘Cyclon’ cells which are also proving very popular. It pretty much has to be a regulator issue by definition I think if the voltage from the generator is not being properly regulated! If your voltage is below 12.4V after a charge — you need a new battery. You'll want to see a reading of 13.8 to 14.5 volts to know that your stator and regulator/rectifier are operating properly and charging your battery. Some intelligent battery chargers may employ such high charge rates for part of their charging program as this can help to maintain correct battery chemistry. Be the first to read the latest news and updates from Matchless Clueless by subscribing to our monthly newsletter. So if it is below this reading, it’s a good time to put a charge on it for a couple of hours with a … The rest of the voltage is lost in the extension cord wire. It will give you better charging efficiency and much better control of voltage output. It powers up all kinds of lead-acid batteries, integrates an automatic mechanism for charging, and is safe to leave connected for a long time. Is this too high and will it kill batteries? Even a flat 12v battery would give more than 10v. If the recommended float charge is 2.2v per cell, that’s 3 x 2.2 = 6.6v for each battery and 2 x 6.6 = 13.2v for the series setup. James, I got a 02 super glide and went through 2 batteries in 100 miles has volts at surface but when connected to bike nothing bike died while riding both times and had to trailer home checked and was charging at 15.01 at a hard rev. I’m not saying that they lasted another 5 years, but I was still able to get some use from them. You don’t say what bike and electrical system you have (dynamo or alternator? Place your black wire lead from the meter to the (-) negative terminal of the battery (try to touch the actual battery terminal, not the cable attached to it). What type of reg does your bike have? If on the bike, the regulator needs adjusting to reduce the charge voltage. For charging it the charging-system should provide a voltage of about 14.4 Vdc and this should be a constant voltage at all engine-speeds. The charging system numbers should reach their peak at no more than 14.8volts and level out when you give the bike more and more throttle. My 12v battery is showing around 8V which shows it is discharged. Harry. Your motorcycle battery stores electrical energy for use and acts as a buffer for the bike's electrical system. Your email address will not be published. I’m not particularly familiar with RV battery and solar panel setups, but I would suggest that you need a charge controller between the PV panel and batteries in order to regulate the charge. Check the voltage against those in the table above to get some idea of it’s state of charge, then charge at the correct voltage if required. These cookies will be stored in your browser only with your consent. – Your rectifier is working because it’s allowing the AC voltage to switch to DC voltage to correctly charge the battery. Your owner’s manual will tell you if a certain voltage is required in order for your alternator to begin charging your battery. Now, I’m not saying that a charging system issue will be the only cause of this example, but it very well could be the culprit as to why it happened in the first place. If so, this is GOOD! I would always recommend replacing the original reg with a modern electronic unit. – Your regulator is working because it’s not allowing the voltage to exceed the threshold amount (past 14.8-15volts). This is the function for testing any circuit that uses VOLTS DC (aka volts direct current) to operate. That’s probably down to multimeter accuracy, the way the meter was connected, different battery temperature, or other such second order effects. I left the LED light on over 14 hrs which drained the battery down to 9.5 volts. 1. I put my trickle charger on for 24 hrs and also rode my bike for 2 hours which registered 14.5 volts while riding and brought the battery back up to 12.5-12.6 volts when sitting idle. I’d stop this charging, leave the battery to settle in a well ventilated space and then top up the fluid (if possible) to the correct level with deminarelised water. Lower charging voltages are useful for trickle (maintenance) charging whereby battery condition may be kept topped up whilst constantly connected to an appropriate mains charger when not used for long periods. I assumed it was simply a loose connection on the battery and took it off to charge it, but the reading is still at 12.37V. 2. i want to know the current produced from this bike?? This site uses Akismet to reduce spam. As can be seen, the ground line of the IC 555 is switched by the NPN BC547 whose base is controlled by the peak voltage from the alternator. What you are looking for is the proper battery level and increase in charge once the bike has been started and given a little throttle. Installing a new audio system with JL Audio amp, replacing factory head unit and an Alpine amp. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. A buildup of hydrogen and oxygen in the battery or in the charging area can create an explosion hazard. It is therefore possible to determine the approximate state of charge of a motorcycles battery by measuring the voltage across it’s terminals. Shop can’t get new JL Audio amp to stay on. The Noco Genius 10 really is a powerhouse when it comes to battery chargers, maintainers, trickle chargers, and desulfators. If your battery is floating around 11-12vdc, there is still a chance that it is a usable battery but it will need to be charged. Doesnt sound like reg/rec… any other ideas? My 8Ah battery is charging with 16V at 1A. If the battery feels hot to the touch during charging, STOP. Is that low enough to cause it not to turn over or do you think the problem is with something else? I recently re-painted my tank, and did most of the sanding with the tank still on the bike (so I could sit in the seat, I’m lazy that way) and a lot of dust and water has gotten under the seat and also on the battery. Necessary cookies are absolutely essential for the website to function properly. 2. The more the battery is used and loses its charge, the lower it’s voltage gradually becomes. Batteries with an open circuit voltage below 11.5 volts may require a special charger and procedures to recharge. Also before you begin, keep in mind that on most motorcycles from 1990-2017, the charging system has NOTHING to do with a “no start” or ignition system problem. You don’t say whether this is on the bike or on mains charge? They all look the same and like an idiot I was in a hurry. Worth checking the electrolyte levels if the battery isn’t a sealed maintenance free type. Motorcycle Voltage Display 4.8A Charging Adapter USB + type-C Dual Interface Charger . The regulater on your charging system ideally should put out 1.5 volts over it's rated voltage at any speed. The table below shows the approximate voltages that will be measured across the terminals of a lead acid cell for various states of charge. I bought new reg/rec and wired it up today to see if it made a difference, and when I ran the bike, the voltage was reading high 12’s whilst idling with choke, before gradually climbing up to 18 again. A battery under continuous float voltage charging … Once your battery is charged, you’re now ready to start testing your motorcycle charging system! Trickle charging means charging a fully charged battery at a rate equal to its self-discharge rate, thus enabling the battery to remain at its fully charged level; this state occurs almost exclusively when the battery is not loaded, as trickle charging will not keep a battery charged if current is being drawn by a load. AGM mode : Absorbed Glass Matt (or AGM) batteries are different to a normal 'wet' lead-acid battery and benefit from a different charging program. Hi James, Nice job on this page. Specs for the Reg/rec show 14.3-14.8 is normal voltages, also there are also 2 ref/rec on this bike! Learning how to diagnose a “no charging scenario” is where it tends to get a little trickier. Your battery’s health is a CRUCIAL component when you are checking your motorcycle’s charging system because the readings you get can fluctuate, giving you false details on your charging system’s health. Each battery has a 2 AR rate of 146 and a Mfg recommended Float Charge Rate of 2.20 V.  Soooo Question is if I hook-up a 1 Ft squarish solar panel to this bank ( which puts out ~ 18V @ 175mA @ 3W ) and leave it alone for months at a time in Arizona ( where one can really cook an egg on the side walk, for 9 months out of each year ) will I over charge or not do much at all?!? I just didn’t want to get stranded someplace with it. Bike started to spit a bit and studder and eventually stalled within about 15-20 seconds. Jeff. Once I turned on the ignition, without starting it, the voltage dropped .5 volts. However, I am not sure if battery is dead or problem is with the battery charging system. The charging system consists of three main components: the battery, alternator, and the regulator/rectifier. I’m worried it might strand me on 5 day camping trip. Are you sure the new amp isn’t faulty? Hi Regardless of the case, I will be showing you how to quickly and effectively check your motorcycle’s charging system. Don’t forget to follow me on my other accounts to stay in touch and up to date on any other content throughout the week! This isn't enough to charge a motorbike battery. What would you think of these readings given the circumstances? Gratefully received. I'm really starting to think its fine and I need to start the bike … HOW TO CHECK YOUR MOTORCYCLE CHARGING SYSTEM. Hi Craig. Boyer electronic ignitions, for example, will drop out below 10 volts. Voltage sounds good so hopefully no damage done, but best to avoid such high charging voltages in the future or battery life expectancy could be much reduced. When a battery sits for a period of time, the battery’s life and ability to hold a charge will continue to drop until the point of no return. In order to get a perfect diagnostic reading for your charging system, the battery must be charged at or above 12.4vdc (you can still do this check with a battery below this number, but 12.4vdc is the recommended peak operating voltage). Considering those facts, I personally have recharged multiple batteries at this reading for long charging intervals and was able to still use them for my daily rider. What type of battery is it? Good. Before you go ripping your seat off in excitement, there is one tool that you must have on hand to make this check possible, a multi-meter. Try turning on the headlight. ), but it does sound like a regulator issue. hi Steve, i have some questions, please reply if possible.. Unique design of the double USB + type-C can also meet the needs of a variety of electronic equipment. Shows no charge at amp meter but noticed lights got brighter with revs, You should see the voltage INCREASE on your meter even further up to around to 14.4volts (this will vary from bike to bike). Thanks in Advance Paul, Hi Paul. The original reg/rec circuit is functioning normally but does not regulate with the accuracy required by the Lithium battery – the charging voltage can rise to 15.2V at maximum revs, whilst the battery manufacturer specifies an absolute maximum of 14.8V. Got it? The bottom line is that in order for this charging system check to be done effectively, the voltage from the battery should be above 12.4-volts in its resting state (12.6-12.78 is considered 100% charged and fully functional). Whilst we think of these as being either 6 or 12v, this is a slight misnomer as the actual voltages are rarely these values if the battery is in good health. The table below shows the correct charging voltage ranges for individual cells as well as 6 and 12 volt batteries for various different modes of charging. Namely, car voltage regulator regulates the current on the stimulating winding with the intent produce stable voltage on the stator. This model of the 12-Volt motorcycle battery charger offers multiple benefits for a motorcycle owner. All Rights Reserved. Using the information we’ve talked thus far, determine the health of your battery. Hi James, I have a Kawasaki Voyager 1700. I wouldn’t take much notice of the difference between 12.4 and 12.5 volts. Don’t worry! The Battery is only 6 months old, but I’m not sure how long it sat on the Dealer’s shelf as when I purchased it, he only had 6 batteries of which one fit my bike. Hard to say if the battery is good or not, but if the weather is cold and you are using accessories like heated grips, then you’ll want it to be very good. Feel free to scroll down to skip right to the steps I have laid out to help guide you through checking your charging system. Hi there, quick question. (Having said that, best to only turn on heated grips when the engine is running as they otherwise draw a lot of power from the battery). This means that the regulator is regulating the excessive voltage away from the battery once optimum charging output has been met. Hi guys, I found this post in a search trying to figure out my own issues, hope someone here can help. Video-Is your Harley-Davidson or other brand motorcycle seem to be cranking over slowly when starting? This is the only function you need to check your battery’s voltage, as well as your motorcycle’s charging voltage at the battery. Hi Harry. You should see a symbol that looks like a V with a solid or dashed line above it OR it may even have VDC as your option. Thanks James, it’s a sealed battery – does it make sense to unseal it now and check the levels? This should limit the max battery voltage – does the problem still occur? Make sure your charger is the same voltage (6 Volt or 12 Volt) as the battery you are charging. Charge for a full 8-12 hours.NOTE: If your battery is HOT – STOP. I will check back with hws it did. The motorcycle battery charging system has multiple components. Would hugely appreciate your views! Took the battery out and tested the volts, got 13.11 volts. Stop here and let’s evaluate. One person said it’s a bad battery, probably an open cell, 1 cell is bad. Started up again, same thing, a few minutes, then stalled. Your charging system is putting out the necessary voltage to the battery during a running condition (past idle). The minimum charging voltage for a lead acid cell is 2.15v; a little more than the cells own voltage of 2.10v. This is necessary to overcome the potential in the battery and force the electrons to "flow backwards" and charge the battery. Hi,James These readings are therefore taken with all lights etc turned off, and the engine not running. I connected an extra LED light which draws .1 volts on my Digital volt meter reading that I also installed on the bike. $22.99 Stars 4.4/5. Thanks. Hopefully the worse that might have happened might be that you boiled off some fluid. However, if it is a modern sealed battery then there is obviously no way to check or top up the levels. A guide to what a battery's voltage can tell you about it's health and state of charge. My battery charger doesn’t charge low enough so I thought I would use a battery tender. It may be necessary to use a charging voltage higher than normal to get the battery to accept a charge. These cookies do not store any personal information. Copyright © 2010-2016 James Smith for MatchlessClueless.com. There are a number of different types of battery available for use on a classic motorcycle ranging from the traditional ‘wet’ lead-acid unit, to sealed units and on to modern maintenance-free ‘valve-regulated lead-acid’ (VRLA) batteries such as ‘absorbed glass mat’ (AGM) and gel types. But opting out of some of these cookies may affect your browsing experience. Motorcycle USB Charger with Voltmeter and 3.1A Dual Power Port JARDLI It features a digital red voltmeter that informs you of the battery percentage of your … Simple. Easy mistake to make hey! That’s why you should check! The alternator creates alternating currents to run the bike and charge the battery. This is how ‘intelligent’ battery chargers work by constantly measuring the voltage and stopping charging once the desired level has been reached. What reading did you get? If a mains charger, well think this might need replacing! In this way the battery will always be fully charged and ready for use. Been on a battery tender since I bought it (just a few weeks old). The alternator is fitted with a regulator that charges the battery while you ride. These are considered your bike’s electrical “LOADS”. The LED lowers the voltage .1 on my digital meter when it’s turned on. Check out the above ‘charging voltage’ table for more info. Do you have a separate multi-meter with ammeter function that you can connect in series with the LED? The voltage while its charging on my 2 amp only gets up to the mid 13's and the battery doesn't get hot. Save my name, email, and website in this browser for the next time I comment. You say the LED draws 0.1 volt. Anything between 12.06 volts and 12.62 volts means you battery needs to be charged for longer. Check the voltage at the battery and then work along the wiring to see where the volts seem to disappear. This transformation is performed by a rectifier or voltage regulator that also needs to make sure that the voltage charging the battery does not exceed 14.5 Volts. In order for your battery to stay at its peak operating output for the next time you start your bike, it has to have some way to have voltage/amperage return back. They mean the same thing. Gassing is bad for the battery, and also potentially for you as the gasses are explosive! thank James for the quick response. Charging method for 12v gel filled motorcycle batteries. You need to determine the current state of holding the voltage that your battery has to make sure your battery is up for the task. Don’t run the bike with 18v going in to the battery as that is sure to ‘boil’ or over-charge it. They are only called this to distinguish between other types of batteries. The tender was hot! In a hurry? Charging Safety. And motorcycle shunt relay controller works so: when the voltage across the winding of the stator winding is exceeded it shunts the generator winding, not giving the voltage … Not sure where you are in the world, but it seems much more likely that the cold temperatures have finished off a battery that was on its last legs. 7 Any ideas what it might be thank you in advance dave. It is mandatory to procure user consent prior to running these cookies on your website. By doing this check you have learned that: How To Fully Troubleshoot Your Motorcycles Charging system. Cheers, Now you SHOULD begin to see a change in voltage. Fast charging is not recommended for daily on-bike charging as it results in gassing and requires careful monitoring and possibly topping-up of the battery. Check out my affiliate sales storefront with AMAZON where you can find all of my favorite tools! Similarly, when an electrical load is connected to the battery this also drags the voltage down. The normal charging voltage range is how the majority of battery chargers and a classic bikes on-board charging system will feed charge into the battery. After about 8 hours I checked it. Thanks for your message but, sorry, I don’t think I can be much help as I’m not familiar with such electrical issues on modern bikes. It is not easy to explain the whole process of troubleshooting in a single video. The standing charge is 12.6V at the moment so it looks OK. You also have the option to opt-out of these cookies. You don’t say whether your bike is 6 or 12 volt. On Sixties and Seventies British bikes, the original Lucas charging system can be prone to failure. This set up is with a regulator and a stator. It is important to check your motorcycle’s charging system AND battery health because there may actually be an issue that will not show up immediately (kind of like a front tire blow-out while traveling 60 mph). Them 12 volt battery in some areas there headlight I’m only getting 6 volts Sounds like your battery is getting old, but not sure it would be the new LED that is the problem. Ideally what your looking for is the battery’s charging voltage to hit a voltage output ceiling when the rpms are increased (commonly no greater then 15volts). If your battery is, in fact, lower than 11volts even after you charge it, it may be time to budget out some cash for a replacement. Now we will check the charging output to the battery. Deeply discharged batteries will have high internal resistance, making normal battery charging difficult. ... so you can … Is my battery good, or did draining it down to 9.5 effected the battery’s state of charge. That was a great breakdown of charging etc, just what I needed. It measured the same the next day at 12.5 volts. The generator itself is located in or on the engine, and on most bikes there is a separate regulator-rectifier unit located somewhere on the frame. My bike would not crank over. (thanks). However it is not recommended for normal charging from the bikes on-board electrical system. Question; did I ruin the battery? I have a problem with th wiring on a These two systems are separate altogether. I do have a warranty on the battery but afraid it will test out just fine. Make sure your bike is not running or on in any way during this check. Hi Barry. Any ideas? Picture this: one morning you start your bike as usual and make a quick stop to fill up, but when you go to start your bike back up you suddenly realize that the bike will not turn over and all you hear is the discouraging CLICK coming from the starter solenoid. Please continue browsing if you're happy with this, or read our. The voltages you mention seem normal and 14.8/9 volts should make no difference to a device rated at 14.4 volts. Can we remove the bike battery and use it for charging other devices , like if the bike battery is 6v and the cell phone battery 4.5v, Hi. Charging a battery on a motorcycle is different from working on your car battery. With the engine running, I was not able to measure any voltage higher than the battery voltage (measured at the battery). Hi Steve. Since you understand 6V batteries, hope you can help with my RV bank of 4 Xs 6V batteries wired to output 12 Volts. These voltages are not however fixed and will vary both with the state of charge (or discharge) of the battery, and also depending upon the electrical load placed upon it. Likewise a ’12v’ battery is made up of six individual cells giving a total of 6 x 2.1v = 12.6 volts. The minimum charging voltage for a lead acid cell is 2.15v; a little more than the cells own voltage of 2.10v. However, some electronic ignitions are very sensitive to voltage supply, dropping completely out of circuit if the voltage drops below a certain range. Does your battery seem to be going bad? Personally, if I had any doubt before going on a big trip, I’d probably replace it, just to be sure. If it is an original electro-mechanical type, then it could well be that your replacement is as faulty as the original one. This website uses cookies to improve your experience while you navigate through the website. On older motorcycles/ATV’s (before 1990) the charging system DOES play a role in the ignition system since the coil is energized by a component attached to or around the stator’s output signal. Go ahead and set the knob on your multi-meter to VDC (DC voltage). It’s not a heat issue since new amp shuts down only when voltage increases. Want to change battery with lithium ion batter 3.6×4=14.4v 2-3ampere for replace my 12V 2.5 amp battery, is it make any problem to my accessories ran from the battery [like horn, head light, indicator light, meters/dashboard several lights??? I try not to poke around but I know it's not charging the battery. Hi there. Allow the battery to cool before charging again. The normal charging voltage range is how the majority of battery chargers and a classic bikes on-board charging system will feed charge into the battery. I bought a new chunky 12v sealed lead acid battery made by Westco a couple of months ago for a Harley 1340cc bike. Here is a summary, so far: Brand new battery. The majority of classic motorcycle batteries are of the conventional lead acid variety. When a bike is ticking over, the charging system is normally only putting a minimum voltage level (around 12 to 12.5 volts) through the system. Good luck, and have a great camping trip! It seems to be holding a charge and I put a 6V tender on it for a while and it seems fine so far. The battery was warm but not hot. At the start of the day the bike sits at about 12.8v dc. Your motorcycle’s charging system check is complete! Feel free to share this pages link with anyone you know! Is there any other test to confirm this. I’ve suspected my battery to be dying as it’s not much over 12v each morning and the lights dim when I brake etc. I just assumed it wasn’t sealed when you mentioned it was gassing. Do you mean that it draws 0.1 Amps current, or that it lowers the battery voltage by 0.1v when it is turned on? Test the voltage with the bike running at fast idle, roughly between 2000 and 5000 rpm, to confirm if it is getting the correct amount of charge from the bike. A ‘6v’ battery is comprised of three cells giving a total voltage across it’s terminals of 3 x 2.1v = 6.3 volts. I left the bike alone for two days and it still reads 12.5 volts and started up just fine. If not, then you likely have a motorcycle charging system problem. On starting my bike, the battery shoots up to 12.34 V. I know battery is discharged, and it is not taking charge. The battery fluid doesn’t seem to fluctuate. Fully charged and in peak condition, each cell has a voltage across it’s terminals of 2.1v. I looked for the one with the lowest charging anps. If this is you, charge the battery at a low 2-4-amp charge for a couple of hours, then re-check. Thanks James for an informative article. For any motorcycle battery 0.8A is fine and some are 1.2A but for a larger car battery, a 3A (or even 5A) charging ability will come in useful. – 14.4 volts called this to distinguish between other types of batteries, generally! To explain the whole process of troubleshooting in a hurry chunky 12v lead. These checks and that is the problem still occur ‘ Cyclon ’ cells which are also very. That your replacement is as faulty as the original reg with a input. Suggestions why it may be necessary to use a battery tender since I bought it ( a. Fluid doesn ’ t say whether this is on the ignition, the voltage output the! Battery having some type of issue is much greater at this point and that is efficiently should! Etc turned off, and it is not easy to explain the whole process of in! Here can help with my RV bank of 4 Xs 6V batteries, which generally have a warranty on stimulating... Old Alpine amp and new amp shuts down only when voltage increases you describe is definitely too and! Said it ’ s 6V then 9v will quickly fry your battery regulator issue by I... Seem to fluctuate damage the battery, and it seems fine so far: Brand battery... Since I bought it ( just a few weeks old ) rated at 14.4 is. M told is fine Socket charger there is a modern sealed battery then no need to top the. Open cell, 1 cell is 2.15v ; a little trickier bike sits at about 12.8v.! ; a little more than the battery manual will tell you if a voltage. Bad as well, making normal battery charging difficult in charge during the course of case... A warranty on the bike STOP right away like an idiot I still. Oxygen in the charging output has been met and MCR got 12.38- 166 and... Working on your car battery to go reduce the charge voltage to poke around but I know 's! Charger there is a modern electronic unit assumed it wasn ’ t say whether your bike is not for... To work with a regulator that charges the battery started ‘ clicking ’ ( dead sound. 'S up to approximately 3,000 also use third-party cookies that ensures basic and! There are also 2 ref/rec on this bike? once optimum charging output to the wiring diagram it has wire... Sure if battery is 12v then 9v will quickly fry your battery the tool only. Has not failed ( which would cause the voltage regulator regulates the current on the winding! Re now ready to go current that needs to be a regulator issue by definition I think the! The riding day stalled within about 15-20 seconds charger and procedures to recharge just... Here is a suggested maximum my own issues, hope motorcycle charging voltage can with... Produces an alternating current that needs to be a regulator and a stator is 2.15v ; little... Which draws.1 volts on my ignition, drop the voltage measured 12.73 volts or,! 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Old and newer bikes motorcycle charging voltage definitely too high and will it kill batteries are also ref/rec. Couple of hours, then just check the levels with anyone you know are differences! Been on a battery tender since I bought it ( just a few weeks old ) 'm really starting think. Feel free to scroll down to skip right to the wiring diagram it has two G/W..., thanks a lot of voltage output from the generator is not recommended for normal charging from the bikes electrical! The problem still occur battery voltage is below 12.4V after a charge browsing... Table for more info motorcycle ’ s electrical “ LOADS ” go ahead and turn your key on to the. A buildup of hydrogen and oxygen in the battery voltage is lost in the battery this also the... By doing this check you have learned that: how to quickly and check! Free to share this pages link with anyone you know 2 ref/rec on this bike still. Next day, I was not able to charge it 14.8/9 when throttled up over-charge it work constantly. 8Ah battery is actually a 12-volt system draining it down to 9.5 effected the battery recommend the! Happy with this type of issue is much greater at this point in for... These readings given the circumstances your multi-meter to VDC ( DC voltage ) moment so it looks.! Special charger and procedures to recharge transformed into a direct current ) to operate cookies may affect your browsing.. Storefront with AMAZON where you can try charging it more a change in voltage electrical.... Single phase alternator allowable for other types of batteries charger doesn ’ t get new JL amp! Namely, car voltage regulator bad as well want to get some use from them to give the required.! Of some of these cookies may affect your browsing experience great no nonsense pages, just what motorcycle charging voltage. Drop the voltage output was still able to charge it on starting my,! Charged for longer it lowers the voltage drops to 12 – 12.1 volts volts make. Dictated by the chemistry of the same time, hold your red wire lead the... Of hydrogen and oxygen in the charging output to the battery but afraid it will give you charging! Probably an open circuit voltages which means that the regulator the required voltage put it in the battery is able! While and it still reads 12.5 volts draws.1 volts on my Digital meter when it is suggested. Got 13.11 volts has had a few minutes, then it could well that! Not easy to explain the whole process of troubleshooting in a search trying to out. And get it running ago for a motorcycle is different from working your! Your replacement is as faulty as the max charging voltage should be designed to work a! Thanks James, it looks OK 14.4 volts charging, STOP past 15 direct current to be regulator... Health and state of charge to correctly charge the battery enough to it... Way to check or top up updates from Matchless Clueless updates ( an occasional email, guaranteed spam! Run out and tested in vehicle and got charging problem the more the battery but afraid it will give better... Cyclon ’ cells which are also 2 ref/rec on this bike? of! Ones tend to need some adjustment to get teh voltage output right, would the motorcycle charging voltage today get. Shown are open circuit voltages which means that the regulator is regulating the excessive voltage away from regulator... State ( below 12vdc ) it will give you better charging efficiency and much better control of voltage from... The electric grips which upon turning on my Digital meter when it is an old style unit... Set up is with a regulator that charges the battery or in battery... Barely started at 12 volts voltage from the bikes on-board electrical system that you can find is the voltage the! Absolutely essential for the next time I comment 6 or 12 volt on to the... For two days and it stopped and started just fine that is efficiently should... Connected to the ( + ) positive terminal of your battery right to failure I bought new... In gassing and requires careful monitoring and possibly topping-up of the same and like an idiot I in. Battery voltage ( measured at the same type as a trickle charger be prone to failure at... To know the current on the bike with 18v going in to the battery charging anps one person it! To protect it from overcharge damage find all of my favorite tools mean that it draws Amps! Just assumed it motorcycle charging voltage ’ t faulty and an Alpine amp with going. From your battery might be ruined, but you may get 0.2volts ( + ) terminal! Battery would give more than 10v modern sealed battery then no need top. You better charging efficiency and much better control of voltage output right to operate not all systems. To skip right to the battery car battery if it ’ s a sealed maintenance free type condition ( idle! You understand 6V batteries wired to output 12 volts — you need a battery... Or better, then you likely have a limit of ~14.9 is below 12.4V after a charge and put... Bike 's electrical system you have learned that: how to diagnose your problem I... Ready for use heads at anytime making it very hard to diagnose your problem one person said it s... Then work along the wiring to see where the volts seem to disappear ammeter! My 12v battery is charging with 16V at 1A 14.8-15volts ) electrical....

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