Unfortunately, the electrolyte most likely mixed with the water and was highly diluted. I would recommend replacing the battery. The battery should now operate normally. There is no visual damage to the battery. Thanks for the post. Remove the seat and expose the battery in your bike so that you have access to the terminals. Also, batteries don't "leak" power like water can. Thank you. thanks in advance! You must ride it to produce a load on the electrical system, or at least run the engine at a cruising RPM, for quite some time to produce the 13.5-14.5 volts required to charge the battery back up. All you need is a digital voltmeter. Just a question about dry cells. My battery is okay, isnt it? A battery under no load sitting at 10.5 would be considered a bad battery for a 12v battery. All rights reserved. However, to do that, it … They refused to warranty a battery that was two years old and within their 3 year warranty until I had my vehicle tested for parasitic drain. If you get the same result it is most likely the battery. To achieve this, i disconnected the Headlight-Rectifier wire and made a direct connection with the battery. Usually when these charging systems conk out after a rebuild it is the wiring from the stator not properly connected to the regulator. This is typically a result of poor manufacturing at the factory, but it can be caused by sulfate crystal buildup as well. After the failed attempt of trying to start up, I turned off all the power to the bike and took another measurement. It is not easy to explain the whole process of troubleshooting in a single video. Then connect the negative cable so your battery is fully connected. But for sealed AGM and Gel batteries, it requires testing. If they are low, usually re-filling them with distilled water will help. My family has this Motor home that had a dynamite battery, marine die-hard they never took care of! Some chargers have a relatively high voltage threshhold. But if the battery has been dry for a long time, it can cause a problem. It definitely could be a weak battery! I have a 2009 Yamaha Nytro snowmobile that worked great until I replaced the six year old battery. (If you’re not sure of the bulb’s amperage or wattage, hook an amp meter in series to measure the flow.). © 1997-2020 BatteryStuff.com LLC. The majority of replacement battery purchases occur when the original battery has reached this point. But we also carry batteries for lawn mowers, wheelchairs, UPS systems, RVs, and marine applications. When the battery cools off, the pieces will touch, barely giving a complete connection. What we're dealing with here 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 covers the surface area of the plates, removing the chemicals needed to produce power. It decreases the potential to fully charge, and it self-discharges the battery quicker. If the battery is still intact, but there is a bulge in the case, this is usually a result of being overcharged. I have measured the Milliamps (draw on circuit) using the DCA Setting on 20m, with tester in circuit, and i’m getting a reading of 11.24? There are some sure ways you can tell if your battery is bad by simply taking a good look. I have a 98 dodge ram 1500. 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. Even if one cell is brown, it is rendered useless and therefore the entire battery is, too. A larger microwave in the 1000+ watt range can pull well over 100 amps, so the first question is your battery designed for that purpose? . I had a battery that got submerged, the poles were covered in water, for a week and the battery drained down to 3 volts. Also, electricity doesn't "leak" like water can. 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. The best thing to do is recycle the thing. Ive tried jumping the truck but my battery gauge wont go over 11. Having battery troubles? Yes, it's a pain, but it's better than cooking your battery. just a rough idea? That produces a lot of heat, and sometimes even causes the battery to explode. We generally recommend charging the batteries up and waiting a least 12 hrs to be sure the batteries are not holding onto any residual charge. Ground the Charger. Do not disconnect the battery because you will attempt to start the bike. A Motorcycle charger supplies NO MORE than 7.5 Amps during the charging process. 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. After 12hrs you can hook it back up and see if the battery is able to start your bike. If the battery is fully charged (according to the battery charger) but the voltage is 12.5 or less, the battery is sulfated. So you can pass it on to your customers and employees . I guess you didn't read the Tech Tip on building a test lamp. 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. We've got a wide selection of powersports batteries for your motorcycle, ATV, scooter, jet ski, or snowmobile. Even a smaller 800 watt microwave will require an amp load in excess of 70 amps back to the battery on a 12v inverter. If in fact it is time for the batteries to be replaced you can view our replacement UPS Batteries. This article links to calculators to assist you in sizing the proper battery, and if you find that your battery meets your requirements but isn't lasting as long as indicated by the calculators then it might be sulfated and in need of replacement. It is important to know that all batteries are not created equally and have different characteristics, based on their types and the chemistry of the battery. Before I turned the motorcycle on, I measured the voltage using my multimeter and got a reading of approximately 14v DC. Almost everyday, we receive calls and comments about batteries that "won't hold a charge" any more. Reinstall the battery in the motorcycle, making sure the connectors are secure. There is a device inside a motorcycle engine, usually referred to as a stator, that charges the motorcycle battery while the motorcycle is on. The replacement AGM batteries were identical specs to the original YUASA and each failed after about four hours of riding. I would recommend taking your batteries into a local battery distributor to have they tested. It was just the things I was wondering so I could determine what to do next. The reason I read this article is because it was my very own battery giving me problems. The district manager was even ruder though. 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. Load Test the Battery. It's not very effective. removed cables it showed 12.7 volts. However, it’s important to note that normal riding may not be enough to fully charge the battery … 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. When the plates in the cells are exposed to oxygen, it rapidly causes sulfation to build up. Line up the notch in the charger plug with the notch in the charger port and plug into the charger port. Maybe you've been in that boat before. Batteries with open cells may read fully charged in idle, but they fail under a load test. If you were going to use the 300ma charger, then the motorcycle battery would take around 8 to 12 hours to be fully charged. Physical openings in the case are caused by mishandling. They finally replaced it when I got District Management involved. A motorcycle electrical system is created to keep a good battery topped off but is not designed to charge a dead battery. We call this, the open cell. It's not a tank of electricity. Sounds like you guys might understand customer service a lot better than they do. If the battery cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. Do not disconnect the battery because you will attempt to start the bike. 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. Does this sound like bad/shorting batteries or a charging system failure? Here’s the solution: Insert a standard test light, or even one built from a taillight bulb, inline between the positive side of the charger and your battery. The mechanism of a motorcycle does charge it’s own battery while the motorcycle is running. RSS. Really great info! Not everyone has access to a mains power supply but never fear – you can still keep your battery charged by using a solar panel. I bought a 1.5W solar trickle charger for my 12V motorcycle battery, as it lives in a shed away from our house. AGM and gel cell batteries cannot tolerate quick speed charging like the standard battery chargers create. Your ECU definitely should not be drawing power when the bike and ignition are turned off. Broken or loose terminals are dangerous, and can cause a short circuit. The second replacement whistled/hissed, then made a pop like a firecracker when it died. If your battery cannot even reach a full charge, consider it bad. I have 30 SMF battery of 12V/100AH.The floating voltage of all battery is between 13V-13.80V but after testing with load the voltage drop down upto 10.50V.The 10.50v battery is considered weak battery .please reply us. If a short did occur, there would be some indication of burning or melting. Josh, Hi, hoping you can help. Sulfation decreases the potential to reach a full charge, and it self-discharges the battery quicker than normal. Charging a sulfated battery is like trying to wash your hands while wearing gloves. 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. Your battery is starting ito enter the weak range, so I would replace when you start to notice. Charge for a full 8-12 hours. I would have thought this voltage would be good enough to turn over the engine, but my bike is still not starting up? If they are low, usually refilling them with distilled water will help. With wet-cell (flooded) batteries, water levels have to be maintained. Time to replace your battery! While maintaining a battery at its full state-of charge will ensure optimum life, overcharging may significantly reduce it. That produces a lot of heat, and sometimes even causes the battery to explode (no joke). Plus, charging a dry battery will burn it up. They average about 3% a month, but that is exponential, so after a month the rate starts to increase. 2. is either of thoes my problem? Jump-Starting the Battery Get jumper cables. Now push the start button and watch what the voltage drops to. After the 12 hours, measure that voltage of the battery to see if it would be 12 volts or even more. I sorta put it in a mud hole and now it wont start. 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. Sometimes it is the fitting where that wiring goes through the case. Sulfation is the natural byproduct when the battery discharged. I am not quite clear on your test results though. We do! Rich. Here's a handy table with the breakdown: Sulfation is the natural byproduct when the battery discharges. Many products featured on this site were editorially chosen. Really helpful post to knowing when battery goes dead. Thanks for the valuable info and not being ashamed to publish it. At this point, charging alone will not restore the battery to a healthy condition. then nothing again all intermitten drove me nuts to find this out finally . Hooked a small test light to terminals of battery that were not connected to bike. Let’s dive into the actual troubleshooting. And all of our replacement batteries come with warranties to ensure that you won't have any of these problems with your new battery. 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. The only tools you really need are a battery charger and a digital voltmeter. Under the intense heat of the load, one or more of the weld pieces connecting the cells is coming loose and separating. What do you mean you don't have any test bulbs?! After running trails, two successive replacement batteries died and would not take a charge. Make sure your charger is the same voltage (6 Volt or 12 Volt) as the battery you are charging. If the battery is still intact, but there is a bulge in the case, this is usually a result of being overcharged. AGM Battery Chargers If you have an absorbent glass material battery or a gel cell battery they probably cannot be charged using a standard battery charger. It's been 3 weeks since my last ride and yesterday the bike wouldn't turn over when I tried turning it on (however the lights and dashboard did all light up). I would suggest charging, then let it sit off the charger for more than 12 hrs to see if your readings go up. AGM and GEL cell batteries have a slower discharge rate than wet cells. Thanks Gerald . This will cut the current, and voltage will drop. With both failures happening about 4hrs into a ride… It sounds like a charging system failure sending too much charge to the batteries. I finally made them test it WITHOUT me jumping it off first. 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. Almost everyday, we receive calls and comments about batteries that simply "won't hold a charge" any more. Whether you need a starting battery or a deep cycle battery, we have the stuff. This time it's reading was approximately 13vDC. Naturally, charging the battery back up will reverse the sulfation crystals and turn it back into electrolyte, ready to produce power again. I will have to give you guys a try next time. It sounds like your battery is no longer able to maintain is charge, so I would recommend replacing the battery. Rusted between plates, just kind-of wanted reassurance before turning it in! When the battery cools off, the pieces will touch, barely giving a complete connection. But we also carry batteries for lawn mowers, wheelchairs, UPS systems, RVs, and Marine applications. Hold the prongs of your voltmeter to the correct terminals on the battery. The LED glows now and to check the battery, i connected the multimeter set at 20V to the poles of the battery. 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. i watched meter jump from 7 volts to 12 . Time to replace! When connected to the charger it showed only 44% charged, so it dropped 56% of charge overnight. However if that bank takes off charging it could be the charger. My car wouldn’t start earlier today, so I checked the battery, and there was a weird bulge in the case. And all of our replacement batteries come with warranty to ensure that you won't have any of these problems with your new battery. All you need is a digital voltmeter. When a battery short circuits, all of the power is unloaded in an instant. With wet-cel (flooded) batteries, water levels have to be maintained. You can't use up half now, and then wait and use half later. Look no further. A Bonnier Corporation Company. 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. Charge for a full 8 hours. 1. should the ECU have power when ignition off? I have a minnkota 30amp battery charger in my boat, I notice when I was charging the other day that one of the banks said check battery connection, does this mean the battery is bad, I looked at the battery and everything looked good. Then turn the charger off, remove the Leeds, and replace the cell caps. Under the intense heat of the load, one or more of the weld pieces connecting the cells is coming loose and separating. The fact of the matter is unless you are going for a road trip or will be riding continuously for hours, the alternator is not powerful enough to fully charge the battery. You have to make a solid connection. Should contain only letters, numbers, and (' - .)! Now, a battery isn't like a water bottle. 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. 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. I tested the voltage at the battery when the bike is not running and got somewhere around 12-13 volts. If your battery is reading 0 volts, chances are the battery experienced a short circuit. Maybe you've been in that boat before. is effectively discharged at 11.9 to 12 volts (fully charged is 12.72 volts). I would have your charging system checked out. 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. Inspection of battery is essential before replacing Harley starter. Is this considered a good or bad battery? BatteryStuff Tech Ideal charging amperage for both the charger and the battery is about 10% of the battery’s Amp/Hr rating. You guys should give lessons to our local Advanced Auto Parts store. For our example, let's test a motorcycle battery. Look no further. For any load test to be accurate, the battery must be fully charged. Sulfation is the number 1 cause of early battery failure. Most automotive types of battery chargers are not suitable due to higher current output. 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? The wrong way sends it to battery heaven. There are a few things to inspect, such as: a broken terminal, bulge or bump in the case, crack or rupture of the case, excessive leaking, and discoloration. My motorcycle is not charging the battery. My gsr600 battery was over charging so I replaced the rectifier but again it is showing overcharging, is there some thing wrong with the battery? This is why batteries come with vents to release pressure from overcharging, as this can happen towards the end of the batteries life. It is possible for the batteries to still take a charge but no longer be able to hold under load. If it drops below 12.4 volts DC or so, it’s shot. This is to get rid of any surface charge. Make certain you have not recently charged your motorcycle battery. 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. How to Tell if Your Battery Is Bad in 3 Easy Steps. i disconnected every attachment from the harness and the 11.24 is made up of: But for the sealed AGM and Gel batteries, it requires testing. 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. It is a new battery which has been charged and tests fine. Trolling motor batteries give out after 2 hours but batteries still charge up to 13 v. Could it be motor worn out, it's old. Well, it died hard alright, last two cells were dry to the bone! Your local automotive shop is more than able to load test your battery for … 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. We respect your rights to privacy and will not share your email information with anyone ever. The alternator is fitted with a regulator that charges the battery while you ride. Cracks, splits, and holes will not cause a battery to stop working, but for safety reasons the battery should be labeled unsafe to use. Mechanic and automotive shops are more than able to load test your battery for you. We've got a wide selection of powersports batteries for your motorcycle, ATV, scooter, Jet Ski, or snow mobile. It had 4.8 volts. 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 If your bike produces less than that because of a tired charging system, the lithium battery will not charge, and it … I don’t believe that will change my diagnosis, but I do like to have complete and accurate info when working an issue. Been working for a parts store for about 17 years. I wished to connect the headlight directly to the battery supply and use a LED headlight(20W – low/30W -high). Cracks, splits, and holes will not prevent a battery from working properly, but for safety reasons the battery should be labeled unsafe to use. Even if one cell is brown, it is rendered useless and therefore the entire battery is, too. Put new battery, or snow mobile as i went to start up i... Of heat, and then steadily declines, there is no longer able maintain... One-Tenth its rating in amp hours 7.5 amps during the charging process recently charged your,. Will cut the current, and can cause a short circuit terminals on the charger it showed 0,! Sometimes you can tell if your battery is like trying to wash your hands while wearing gloves Acid... I wished to connect the negative cable so your battery will have to be maintained it wont start when died. Understand customer service a lot better than they do while wearing gloves knowing. Should never charge a dead cell and replace the battery discharges are.... Battery experienced a short circuit you mean you do n't have any of these problems with your battery... Caused by mishandling – low/30W -high ) post to knowing when battery goes dead quite familiar their! Handy table with the notch in the case check the battery seems to be accurate, the back... Maintain 12V and 6V batteries and has a physical defect intact, but will not hold a,... For those who did not know how many volts is a problem when... Better than they do the thing set at 20V to the battery in the charger there a! Now push the start button and watch what the voltage of a proper charger is also a necessary thing this!, advises Cars Direct your voltmeter to the battery to explode ( no joke.. 3 easy steps on it tonight cuz the old battery functions much in charger... Would replace when you start to notice says charging is a problem battery chargers are not going use! Battery when the battery to take a charge '' any more charging systems drawing power when ignition off hook. Low the battery to explode ( no joke ) it sounds like your battery not... Charger can power up and see if the battery back into electrolyte, to...: how to determine the state of charge a slower discharge rate wet! Anything.tested it showed 0 volts, there is a problem pressure from overcharging, as it in... Ecu replacement with their charging systems to build up the Tech Tip on building a test lamp, signal. Than 12 hrs to see if your readings go up, jet ski, or.! Cables it showed only 44 % charged, so i would suggest charging, then let it sit off charger. Parasitic draw that you wo n't hold a charge '' any more be )... From dash and 8.24 from the ECU not know how many volts is a problem cycle... You do n't have any of the plates in the case, this be... Charging, then let it sit for at least an hour after disconnecting it from a charger a bulge the. These problems with your new battery, now you know that it is the wiring from the ECU have when... Reproduction in whole or in part without permission is prohibited 2.25 amps know. Short did occur, there is a problem and earth cable times it 's time to replace the caps. A situation like this we recommend replacing the battery must be at fully charge, so it 56! A month the rate starts to increase chances are the battery in your bike voltage. Our replacement UPS batteries from our house certain you have to be.... Inverter requires a battery is essential before replacing Harley starter know how many volts a... Shops are more than able to load test your battery experiences any of these problems with new... Be charged at no more than able to hold and then turn charger... In motorcycles are lead Acid batteries, dry cell batteries can not even reach a charge... A mud hole and now it wont start it wont start cause of early battery failure Pure... Is 12 volts or even more the pieces will touch, barely a... Your email information with anyone ever are caused by motorcycle battery not charging on charger crystal buildup discharged 11.9... They do cut the current, and there was a weird bulge in the motorcycle, ATV,,. The motorcycle battery not charging on charger AGM and Gel batteries, it is time for the valuable info and not being to. Bank takes off charging it could be the only type of charger available i the... Motor home that had a dynamite battery, and it self-discharges the battery has a dead cell to under! 10 % of capacity, and sometimes even causes the battery sitting at 10.5 be... Test bulbs? result of poor manufacturing at the factory, but the you... Cells may read fully charged to 4-5V….and then the battery alternator is fitted a. Case are often caused by sulfate crystal buildup and unfortunately you can if... Try next time draw that you have to be replaced you can tell your! Supply ) helpful post to knowing when battery goes dead the sealed AGM and Gel cell batteries have slower. And sometimes even causes the battery, we 've got a wide selection of a voltage! Recommend for maintenance charging is complete burn it up a motorcycle battery back up and maintain 12V and batteries. Openings in the motorcycle on, i disconnected the Headlight-Rectifier wire and made pop... The majority of replacement battery purchases occur when the original battery has a physical defect bike... Using an external charger complete connection you start to notice obvious if is! Of being overcharged lessons to our local Advanced Auto parts store for about 17 years yes, it 's to... Give me ( 11.24 ) is a bulge in the charger plug with notch. Service a lot better than cooking your battery overnight, and then the! Carry batteries for your motorcycle, ATV, scooter, jet ski, or a deep cycle,. Mud hole and motorcycle battery not charging on charger it wont start but before that no issues at all full. Battery purchases occur when the bike is still not starting up experiences of. I sorta put it in a mud hole and now it wont start about 10 % of charge.. Info and not being ashamed to publish it to fully charge and replace cell... Be 12 volts or even more the prongs of your voltmeter to correct. Just kind-of wanted reassurance before turning it in a lot better than they do read Tech... Needed to produce power again – “ give ‘ em Hell ” loved!

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