the charger didn't charge my battery. i left it charging overnight. if i tested it with a multimeter how many amps would come out of the charger?
1592246
Im sorry I don't know about the amps, but have you checked to make sure the outlet you used was working- try plugging a lamp into it to make sure! Also check the connection where the charger plugs into the battery and see if there is something between the metal tangs. Lastly make sure you are using a 12V charger for a 12V battery- I once tried that with a 12V charger on a 6V battery and was stumped for days until we figured it out! Good Luck!
1592247
you can't test amps like that. only volts. and you should be getting anywhere from 12 to 14 volts on a fully charged battery..
2157728
I had this happen to me. Battery charger did not produce a charge of the battery. I got a new charger and everything works fine. I don't know how you would easily ascertain if the charger is bad except to see that the battery is not charged.
869334
The charger did not work for me. My batteries were completely discharged and the charger must detect X amount of current before it will activate. Most modern chargers are similar. That having been said the charger must be attached to the first and last battery in the battery bank. Posative to one battery and negative to another. Look at your battery bank. you will see that the batteries are connected together positive to negative. 8 volts each x4 to get the 48 volts. Look for the battery posts that are connected to your charging plug in, and or that have wires going to your speed controller or motor. That is where you want to attach the charger. It should work fine. The charger did not work for me. My batteries were completely discharged and the charger must detect X amount of current before it will activate. Most modern chargers are similar. That having been said the charger must be attached to the first and last battery in the battery bank. Posative to one battery and negative to another. Look at your battery bank. you will see that the batteries are connected together positive to negative. 8 volts each x4 to get the 48 volts. Look for the battery posts that are connected to your charging plug in, and or that have wires going to your speed controller... » Read More The charger did not work for me. My batteries were completely discharged and the charger must detect X amount of current before it will activate. Most modern chargers are similar. That having been said the charger must be attached to the first and last battery in the battery bank. Posative to one battery and negative to another. Look at your battery bank. you will see that the batteries are connected together positive to negative. 8 volts each x4 to get the 48 volts. Look for the battery posts that are connected to your charging plug in, and or that have wires going to your speed controller or motor. That is where you want to attach the charger. It should work fine. « Show Less
2067104
There is a good chance that the current output is not high enough to charge the battery really fast. Additionally, it is better for the battery's longevity to charge it slower. I would have to take out my multimeter to check into it, but my guess is that its good for over night charges and not super fast charges. What I recommend is purchasing a second battery and keep one charged up so you don't have down time. I personally have an S2 and when at conferences, typically pull out that second battery.
506905
Connie,It sounds like the voltage on the battery is too low to charge. Has this battery every worked in this system before and is your charger plugged in and working ? Make sure you check the outlet that the charge is plugged into to confirm that it's getting the 110v it needs to charge the battery. Here is a good article to help you with your problem - best of luck to you. http://www.batterystuff.com/kb/articles/battery-articles/troubleshooting-a-battery.htmlRegards,Ken
2269572
Regardless of anything it should show 12 volts. You need to use the amp feature on you're volt meter to measure amps. If its only reading 1 volt then most likely the charger is busted or you're volt meter.
1831012
I have the same problem. I can tell you this, the wheel barrow draws a lot of power. I melted a charger (melted like a black plastic puddle) that was the right voltage, but not enough amps. I would hook one up and see if the charger is getting hot.
2247102
Sounds like you could have a bad battery if it's only at 10.9v. (One bad cell?) What percentage charged does the unit show when first turned on? The voltage of the charger should initially go to ~14v-15v when first turned on. Can you test the charger on a known good battery?
903382
I have never measured the current charge rate with an amp meter. Each battery in the charger has it's own microprocessor which controls the rate of charge to that battery. My charger works great.
393034
One of the cells in each battery might have dropped below the alotted voltage... Theres a certain voltage level in which if any cell dropped below ,The balance charger wont charger the battery.... Put a volatge metter on each cell to check the voltage ... Mine are at like 4.17 volts each .... I have one with a cell at 3.4 that my charger wont charge....
583061
According to the written text on the charger it states Red Light Flashing - "Reverse Polarity or Battery Fault" So I'd double check whether you connected the leads wrong then get a battery tester to make sure an internal short does not exist. Hope this helps anyone reading this question.
646962
You should make sure your battery is seated properly - the negative side of the battery should be against the spring. If the battery does not make contact with the charging points, of the charger, it will not charge the battery. If your battery cell is drained then you should allow the battery to charge for at least 4 hours. If you feel the battery or charger is defective contact the seller and they will replace either one of them. This is very rare but it is possible.
544126
Sorry, I can't shed any light on the subject, Brian. After ordering the charger I discovered the problem was with my battery not the charger - I returned the charger I purchased through Amazon. My battery had run too low to be charged using any charger. I had to take it to a golf cart service store and they got it up and running for me. The charger I had was perfectly OK.
129174
If that battery was truly dead and maybe also sulfated, this isn't unreasonable. Remember this is both a charger (but not a very powerful one; 900 mA is 0.9 amps, so a typical car battery of about 200 amp-hours would take over 200 hours to be fully charged by this device) and a desulfator. That second process might also take a while.That said, if the battery's no longer able to take a charge, no charger will restore it.
388255
Make sure that the output on the charger is 2 Amp. It won't charge on anything less
991651
Yeah, it's the correct one. Sorry I answered a bit late, I don't check email until the weekends. Anyway, here's what the label on the charger says EXACTLY: BATTERY CHARGER Part No: 428626 Input: 120VAC - 60Hz 60mA Output: 15VDC - 100mA ~ Hope you enjoy your purchase and that I was of help.
866201
I suggest testing the voltage with a multimeter on the main output wires and if its below 6.0v (considering a 2S lipo) your charger may be correct and you have a virtually dead lipo (damaged cells or esc over discharged) or if its above 7,4 it could be your charger (faulty) or one of the wires not making a 100% connection.