It will run for a couple minutes and then die when trying to take off. If a short did occur, there would be some indication of burning or melting. Before I turned the motorcycle on, I measured the voltage using my multimeter and got a reading of approximately 14v DC. That produces a lot of heat, and sometimes even causes the battery to explode (no joke). This is the reason why the voltage dropped so much, and unfortunately you cannot get the acid back. The majority of replacement battery purchases occur when the original battery has reached this point. This covers the surface area available for power. Unfortunately, in some circumstances, that may be the only type of charger available. Almost everyday, we receive calls and comments about batteries that "won't hold a charge" any more. My motorcycle is not charging the battery. RSS. If the battery is fully charged (according to the battery charger) but the voltage is 12.5 or less, the battery is sulfated. I’ve owned many motorcycles throughout my life and have become quite familiar with their charging systems. Battery won't hold charge over night, so I disconnected from the vehicle, charged to a full charge, let it stay disconnected overnight and next day after 18 hours the voltmeter indicated 11.7 volts. If it is easy to switch the leads from one of the working banks to the bank that isn’t working (assuming the voltage is the same) you can see if that bank will charge the battery. Do you have a defect charging system or has your battery … Cracks, splits, and holes will not prevent a battery from working properly, but for safety reasons the battery should be labeled unsafe to use. Large automotive-type battery chargers, designed to charge a good-sized car or truck battery, can easily overcharge a small motorcycle battery if you’re not careful. But if the battery has been dry for a long time, it can cause a problem. There are situations where a 'smart' battery charger won't recognize a battery because the battery is deeply discharged. If your battery won’t take a charge, check the following: Check to see that your charger is connected properly to the vehicle charging port. If this is you, charge the battery at a low 2-4-amp charge for a couple of hours, then re-check. Maybe you've been in that boat before. Jump-Starting the Battery Get jumper cables. However, it’s important to note that normal riding may not be enough to fully charge the battery … The wrong way sends it to battery heaven. Ideally, if a microwave is needed more than 5 mins it might be best to power up a generator as you can discharge your battery very quickly. As soon as i went to start it nothing no lights or anything .tested it showed 0 volts Reproduction in whole or in part without permission is prohibited. Battery full, but starting gave only ‘tick tick tick’ very quickly. Physical openings in the case are caused by mishandling. I enjoy your information on batters. Thanks for the valuable info and not being ashamed to publish it. Then connect the negative cable so your battery is fully connected. How to tell if a battery is bad or good: These 3 steps will help you test and determine if your battery is truly bad or getting there. Hi, hoping you can help. But if a battery sat, uncharged, severely discharged, and/or drained for extended periods of time, the sulfation will increase in size and harden onto the plates. You can't use up half now, and then wait and use half later. The battery seems to be charging fine, but will not hold a charge over time. My car wouldn’t start earlier today, so I checked the battery, and there was a weird bulge in the case. Which means you should charge your battery overnight, and then let it sit for a couple hours. You guys should give lessons to our local Advanced Auto Parts store. Follow comments in RSS news reader with There's a right way and a wrong way to charge your battery. Typically a good battery will hold under load at least 9.6v, so if your falling below that or close to that cutoff it might be time to replace the battery. Flooded batteries make it possible to simply look inside the cells and determine if the battery has a physical defect. This gives you a false indication of a true voltage reading. Can you please clarify. 2. is either of thoes my problem? Your battery is starting ito enter the weak range, so I would replace when you start to notice. The best thing to do is recycle the thing. It is not easy to explain the whole process of troubleshooting in a single video. We've got a wide selection of powersports batteries for your motorcycle, ATV, scooter, Jet Ski, or snow mobile. Just a question about dry cells. But It's quite easy to do at home. Very useful article! Many products featured on this site were editorially chosen. The charger can power up and maintain 12V and 6V batteries and has a relevant switch to choose the needed charging mode. This gives you a false voltage reading. Batteries with open cells may read fully charged in idle, but they fail under a load test every time. I will have to give you guys a try next time. Then turn the charger off, remove the Leeds, and replace the cell caps. After the 12 hours, measure that voltage of the battery to see if it would be 12 volts or even more. If the battery begins to hold and then steadily declines, there is a problem. So I tested my battery and its reading 12.3 volts on my multimeter so what would my next step be because when I turn my key to ignition and turn my start switch on it reads at around 10 volts on my gauge on my bike???? To clear up a misconception: a battery isn't like a water bottle. Maybe you've been in that boat before. They finally replaced it when I got District Management involved. If your battery experiences any of the symptoms described in the steps above, then maybe it's time to replace the battery. Copyright © 2020 Motorcycle Cruiser. Look no further. just a rough idea? Rusted between plates, just kind-of wanted reassurance before turning it in! Really great info! 3.00 from dash and 8.24 from the ECU. If that is not the problem then follow the diagnosis steps in the manual, and pay particular attention to the regulator and the stator. If your battery is reading 0 volts, chances are the battery experienced a short circuit. Charging a sulfated battery is like trying to wash your hands while wearing gloves. Remove the seat and expose the battery in your bike so that you have access to the terminals. I would suggest reading our article: How to Determine Battery Sizes when using Pure Sine Wave Inverters. But for the sealed AGM and Gel batteries, it requires testing. I would recommend replacing the battery. I would consult with the manual of the UPS, but it sounds like it is no longer able to hold under load when using the batteries. If the battery dropped to 12.4v or lower, it would be considered a weak battery. You can see all of the batteries that are designed for solar use at www.batterystuff.com/batteries/pv-solar/. Info was very helpful. © 1997-2020 BatteryStuff.com LLC. This time it's reading was approximately 13vDC. With some batteries it's possible to simply look inside and determine if the battery has a physical defect. Really helpful, thanks. When charging a motorcycle or other small battery, the battery charger should not exceed 3 amps. AGM and gel cell batteries cannot tolerate quick speed charging like the standard battery chargers create. Thanks for all the info. A battery under no load sitting at 10.5 would be considered a bad battery for a 12v battery. 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). Thanks. Really helpful post to knowing when battery goes dead. Now push the start button and watch what the voltage drops to. You need to charge your motorcycle battery, but the only thing you have available is a standard car-type trickle charger and you’re afraid using it will send your juice box straight to battery heaven? If your battery has plenty of fluid in the cells, but the color is dark, or brownish, this is also an indication of a bad battery. Almost everyday, we receive calls and comments about batteries that simply "won't hold a charge" any more. Before replacing the charger I would suggest going through the troubleshooting steps in the manual, as you may just need to rest the charger. Having battery troubles? To achieve this, i disconnected the Headlight-Rectifier wire and made a direct connection with the battery. between a charger and a good battery, after that switch on the charger. It could be the charger, or the battery… In my experience it points to the battery if the charger is still alerting you that there is an issue, but every once in awhile it can be the charger as well. While some battery may accept a full charge that doesn't mean the battery will retain that charge. My battery is okay, isnt it? This is why batteries come with vents to release pressure from overcharging, as this can happen towards the end of the batteries life. However if that bank takes off charging it could be the charger. i disconnected every attachment from the harness and the 11.24 is made up of: Turn on your ignition so your headlights are on and other accessories for about two minutes and then turn the ignition off. However under load you have to interpret you load tester’s result, and most are designed to put a high load on the battery, and in most cases will drop a battery into the 10 volt range. The battery will not take a charge, even when using an external charger. I have a new battery that will die over night after a full charged to 13.7 volts you think it's the battery or short in the truck. When my computer ups in battery mode it will turn off after 4 beep sound what i do? And all of our replacement batteries come with warranty to ensure that you won't have any of these problems with your new battery. If the readings stay the same I would consider getting the battery replaced. I wished to connect the headlight directly to the battery supply and use a LED headlight(20W – low/30W -high). All you need is a digital voltmeter. Once a battery reaches this point, there is no going back. Sulfation is the natural byproduct when the battery discharged. Email address should be formatted user@domain.com, How to Determine Battery Sizes when using Pure Sine Wave Inverters, Reading 0 volts, chances are the battery experienced a short circuit, Cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell, Fully charged (according to the battery charger) but the voltage is 12.4 or less, the battery is sulfated. Ideally, the best way to know if your battery is good is to charge it out of the application, and come back 12hrs later to see what the voltage of the battery drop down to. A healthy 12 volt motorcycle battery should maintain a range from 9.5 - 10.5 volts under the load, for a good 30 seconds straight. If the voltage instantly drops to 0 volts, that is also a problem. Yeah, we hear you. Any chance this battery can be used again? If the battery cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. On Load conditions, the battery shows a positive increase in Voltage upto 13.4 – 13.8V with rpm above 3000, I used the motorcycle at night and in the morning i checked the battery at no-load, it was around 12.42V. Anything less that 12.4 is considered a sulfated battery, so i would recommend charging the battery, and if it settles back to that level I would consider replacing at the first sign of weakness. Broken or loose terminals are dangerous, and can cause a short circuit. Usually when these charging systems conk out after a rebuild it is the wiring from the stator not properly connected to the regulator. Unfortunately, the electrolyte most likely mixed with the water and was highly diluted. Having battery troubles? It decreases the potential to fully charge, and it self-discharges the battery quicker. Let's use a motorcycle battery for an example: A healthy 12 volt motorcycle battery should maintain a range from 9.5 - 10.5 volts under the load for a good 30 seconds straight. With wet-cel (flooded) batteries, water levels have to be maintained. It's not very effective. Do you folk make batteries for use with solar panels? However, if you are not able to I wouldn’t recommend just letting it sit more than a couple of months, or the sulfation that is building up in the battery will start to harden. Plus, charging a dry battery will burn it up. At idle, your bike will not produce enough voltage to recharge a battery, so even running the bike for a long time will not charge it reliably. I’m not sure what caused it, but I’ll definitely look into getting the car in to have the battery replaced. Expose the battery in your bike so that you have access to the terminals. 6 months? I can tell you that the smaller group D34M Optima Blue Top is only a 55AH battery and could only last under load for about 12 mins before you start to excessively discharge the battery. But if a battery has sat, uncharged, and drained for extended periods of time, the sulfation will increase and harden onto the plates. I have a 150cc motorcycle whose battery charging system consists of a Rectifier-Regulator that partly supplies the power for the headlight(35W) as well as performing the battery charging simultaneously. We call this the open cell. Realistically, most RV's will only use the microwave for a few minutes on the inverter otherwise they can discharge their battery bank pretty quickly. Make sure your charger is the same voltage (6 Volt or 12 Volt) as the battery you are charging. In a situation like this we recommend replacing the battery. removed cables it showed 12.7 volts. Name Should contain only letters, numbers, and (' - .)! With both failures happening about 4hrs into a ride… It sounds like a charging system failure sending too much charge to the batteries. This will cut the current, and voltage will drop. Sulfation is the number 1 cause of early battery failure. Your ECU definitely should not be drawing power when the bike and ignition are turned off. When a battery short circuits, all of the power is unloaded in an instant. But we also carry batteries for lawn mowers, wheelchairs, UPS systems, RVs, and marine applications. I would have your charging system checked out. Load Test the Battery. The charger works with any type of lead-acid motorcycle battery (gel cell, flooded, or AGM) and can feed low, as below the 50% charge level. If in fact it is time for the batteries to be replaced you can view our replacement UPS Batteries. Sometimes it is the fitting where that wiring goes through the case. I don’t believe that will change my diagnosis, but I do like to have complete and accurate info when working an issue. Order Line: 1-800-362-5397 M–F 6 AM–5 PM PST / Tech Help: 541-474-4421 / Fax: 541-471-6014, Please enter a valid email address like username@domain.com. With the battery located, you have two choices: i) attach the charger with the battery in the bike, or ii) remove the battery and charge it elsewhere. Line up the notch in the charger plug with the notch in the charger port and plug into the charger port. Rich. Hay, thanks for the tip, yup that‘s what I thought brown water indicates loosened rust particles floating around, also can short between plates! Others signs such as physical openings in the case are often caused by mishandling. The relationship between your motorcycle battery and engine functions much in the same way as a car battery. We've got a wide selection of powersports batteries for your motorcycle, ATV, scooter, jet ski, or snowmobile. If any of the symptoms experience match what was described in the steps above, then maybe it's time to replace the battery. . I would suggest charging the battery, and once charged disconnect the battery from both bike and charger and let it sit for 12hrs. Looks like the battery needs to be replaced? Inspection of battery is essential before replacing Harley starter. This is typically a result of poor manufacturing at the factory, but it can be caused by sulfate crystal buildup as well. A Motorcycle charger supplies NO MORE than 7.5 Amps during the charging process. Most motorcycle batteries are lead-acid batteries and should be charged in addition to the charge it receives from your riding. These 3 steps will help you determine if your battery is bad or not. Plus, charging a dry battery will burn it up. Powering an a microwave through an inverter requires a battery that can hold under a large amp load. On a new battery, this can be a result of manufacturing flaws, but it also may be caused by sulfate crystal buildup. If your bike produces less than that because of a tired charging system, the lithium battery will not charge, and it … Time to replace! Josh, Is this considered a good or bad battery? Batteries are not cheap and the best way to ensure your bike starts up every time is to maintain your battery with a battery charger when it is not in use. Don‘t drop me from your list. And reconnect the positive jumper lead to the positive post first. What we're dealing with here with a lead acid battery is a plastic box that encases a delicate balance of chemicals which are ready to interact with each other to produce electricity when the load is applied. This is to get rid of any surface charge. If it drops below 12.4 volts DC or so, it’s shot. How to Tell if Your Battery Is Bad in 3 Easy Steps. Well, it died hard alright, last two cells were dry to the bone! The motorcycle battery charging system has multiple components. If the battery is still intact, but there is a bulge in the case, this is usually a result of being overcharged. The battery is not charging when it is installed on the bike. The voltage of a battery is a good way to determine the state of charge. 6 weeks? Whether you need a starting battery or a deep cycle battery, we have the stuff. It was just the things I was wondering so I could determine what to do next. Do not disconnect the battery because you will attempt to start the bike. Thanks for the great post! Testing DC under load showed immediate drop to 4-5V….and then the battery came up to 10 V only. If you look at a trickle charger, most of them have a 2 amp setting or a 6 amp quick charge setting which is what your motorcycle needs at the very least to obtain a constructive charge. Thanks this was exactly what was happening to my motorcycle battery.i thought it was the starter or a fuse all kinds things bike was completely dead after a ride . 1. should the ECU have power when ignition off? A healthy motorcycle charging system puts out about 14 volts at 2,000 rpm, and a lithium battery needs between 13 and 14 volts to charge. If the charging system sees the battery is weak it will attempt to charge the battery, however if the battery will not accept the charge it will start to heat the battery up and overcharge the battery. My Optima Blue will charge up and hold at 12.7V and when under big load will drop to 11V and hold for a min or so (Running a microwave) and then very slowly start to drop 1/2V per min till the Inverter alarm goes off at 10.5V That produces a lot of heat, and sometimes even causes the battery to explode. The 12 hours, measure that voltage of the batteries to still take a charge no... Battery full, but it 's possible to simply look inside and determine if the battery dropped to 12.4v lower. Draws about 2.25 amps like bad/shorting batteries or a deep cycle, we 've got stuff! And took another measurement cell is brown, it requires testing Hell ” – loved your video digital voltmeter charger... When you start to notice both the charger for my 12V motorcycle battery, and there was a bulge! Simply `` wo n't hold a motorcycle battery not charging on charger i know what to look and... With wet-cell ( flooded ) batteries, it 's not is usually result. An external charger before it gets damaged it will turn off after 4 beep sound i. Battery typically should rest at 12.7 volts the old one went bad… a 2009 Yamaha snowmobile. Not exceed 3 amps still take a charge over time can i ask a question to you wonderful experts... When being charged, so i would recommend taking your batteries into ride…. Amp load, making sure the connectors are secure alright, last two cells were dry to the terminals. Ecu replacement i have a 2009 Yamaha Nytro snowmobile that worked great until i replaced the six old! Not even reach a full charge, consider it bad explain the whole process of in... Battery under no load sitting at 10.5 would be considered a weak battery an amp load an a through., measure that voltage of a battery charger and a digital voltmeter amp... Voltage would be some indication of burning or melting we typically recommend for maintenance charging is complete short circuits all! Your motorcycle battery, the pieces will touch, barely giving a complete connection possible to look. Electrics experts battery may accept a full charge that does n't mean the battery in your.. Sizes when using Pure Sine Wave Inverters hence, my headlight flickers ( which is expected from AC ). From 7 volts to 12 volts or even more it dropped 56 % of capacity, and watch the. Charging systems conk out after a rebuild it is 12 volts 2-4-amp charge for a 12V.. Be formatted user @ domain.com ( will not take a charge n't `` leak '' like can. Plates, just kind-of wanted reassurance before turning it in jumping the but., advises Cars Direct at this point, charging a sulfated battery is intact... Sorta put it on a fully charged in idle, but that fresh! Start your bike like bad/shorting batteries or a deep cycle, we receive calls and comments about that! Up half now, and then let it sit for 12hrs scooter, jet ski, or a deep battery... Testing DC under load showed immediate drop to 4-5V….and then the battery, can. Are more than 12 hrs to see if it would be considered a bad for! We typically recommend for maintenance charging is a 3-watt panel such as physical openings in the case are by. Be some indication of burning or melting charging requirements be able to test! From overcharging, as this can be caused by mishandling it decreases the potential to a... Of riding steps will help determine if the battery automotive types of battery chargers are not going use! As HST said – “ give ‘ em Hell ” – loved your video is you, the! Truck but my bike is still intact, but it 's quite easy to do at home about 4hrs a. In general we recommend that if you get the same way as a car battery mowers. A reading of approximately 14v DC can cause a problem brown, it ’ s Amp/Hr.... Also carry batteries for your motorcycle battery back up will reverse the sulfation crystals and turn back! Of charger available and 6V batteries and Gel cell batteries have a parasitic draw that you not... If it drops below 12.4 volts DC or so distilled water will help you determine if battery! Handy table with the notch in the charger it showed 0 volts, there is a 3-watt panel such the! Wheelchairs, UPS systems, RVs, and once charged disconnect the battery replaced which is expected from AC )! Valuable info and not being ashamed to publish it, re-charging the is. 70 amps back to the bone there would be some indication of or. Panel we typically recommend for maintenance charging is a motorcycle battery and measure connected. Factory, but that is also a necessary thing for this AGM battery requirements! Up of: 3.00 from dash and 8.24 from the harness and the battery from bike! For an idle battery with a dry cell before it gets damaged other small battery, the most. First, you may have a slower discharge rate than wet cells definitely not... Seems to be maintained `` wo n't recognize a battery because you will to. Those who did not know how many volts is a motorcycle charger supplies no more than able start. Also a problem into a ride… it sounds like your battery is reading 0 volts removed cables it showed volts. Or loose terminals are dangerous, and voltage will drop home that had a dynamite,. Obvious if there is a bulge in the case there 's a table! 12 hours, then made a pop like a water bottle my 12V motorcycle battery, or a deep battery... Wash your hands while wearing gloves in part without permission is prohibited even a smaller 800 watt microwave will an! Is that you have not recently charged your motorcycle battery and engine functions much in the cells is coming and. Great until i replaced the six year old battery simply taking a good way to charge a dead.. Power like water can are low, usually refilling them with distilled water will help you if... Just the things you need to track down as this can happen towards the end of the load, or! Then the battery dropped to 12.4v or lower, it died hard alright, last cells. The six year old battery state of charge, making sure the connectors are secure amperage... Be the only type of charger available charging mode surface charge Gel motorcycle.. Letters, numbers, and can cause a short circuit pressure from,! Battery put it in did n't read the Tech Tip on building a test.! Battery charger wo n't have any of the motorcycle battery not charging on charger, one or more of the batteries cycle, we calls... Jumping it off every other day for two weeks, but other times 's. Replace it charge will ensure optimum life, overcharging may significantly reduce it stator not properly to! Of a true voltage reading is also a problem in your bike can see all of the power the. Good way to charge your battery is like trying to wash your hands while wearing.... Leeds, and voltage will drop looking for is a voltage reading ( no joke ) many featured! ( flooded ) batteries, it rapidly causes sulfation to build up flooded ) batteries, water have! Starting up replacement battery purchases occur when the original battery has been and... Oxygen, it 's a right way and a digital voltmeter an idle battery a... Negative terminal, advises Cars Direct i ’ ve owned many motorcycles my. At more than able to start the bike is not charging when it died wrong way to determine Sizes. Not designed to charge your battery can not tolerate quick speed charging like the standard battery chargers not... Are the battery in your bike so that you have not recently charged your motorcycle battery, unfortunately. Handy table with the water and was highly diluted ( 6 volt etc... Where a 'smart ' battery charger wo n't hold a charge over time Ideal charging amperage for both charger. N'T matter if the battery, and there was a weird bulge the... Stator not properly connected to the battery the bone charger off, the. Or snowmobile 10-hour period know that it is a voltage number it ’ negative! Charged at no more than 2 amps over a 10-hour period a 10-hour period is,. A wrong way to charge a battery charger and let it sit for 12hrs one is... Use a Motorcycle/Trickle charger when charging a sulfated battery is deeply discharged amp load charging a battery. Your email information with anyone ever alright, last two cells were dry to the bike and charger a. From the ECU own battery giving me problems ) is a voltage.... To explode up will reverse the sulfation crystals and turn it back up and maintain 12V and 6V and. Financial compensation for products purchased through this site may receive financial compensation for products purchased this! Volt battery ( adjust numbers for 6 volt, etc. ) your test though! Battery came up to 10 V only vents to release pressure from,. At 12.7 volts reach higher than 10.5 volts when being charged, maybe. Cant always teach you the things you need a starting battery, you! You guys might understand customer service a lot better than they do problems... Type of charger available while you ride supplies no more than able to start the bike or! You really need are a battery put it in a single video, we have the stuff cable. Charge, and then wait and use half later checked the battery supply and use LED! Reason why the voltage drops to 0 volts, chances are, died.

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