Need a battery charger

Positive discussion on ebikes and pedal assist bicycles

Need a battery charger

Postby hotdiggity » Wed Feb 22, 2012 9:11 pm

Trying to buy on a charger for an unbranded ebike battery. It's a 35 volt battery, most probably Li-ion. I was recommended a 1.5 - 2 amp charger by the local ebike shop, however the chargers online mostly specify amp hours (10 or 12). Any clues?
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Joined: Wed May 26, 2010 4:29 pm

by BNA » Thu Feb 23, 2012 5:06 am


Re: Need a battery charger

Postby cachexian » Thu Feb 23, 2012 5:06 am

Mmmm. If you don't know the battery type, better to go for a lower amperage charger. It'll take longer but be less likely to overcharge the battery. At a guess, I'd say the 10Ah one is probably the one to go for. Make sure the voltage is matched - THAT is REALLY important.

Charge it outside the first few times.

Alternatively you can build your own charger with a lithium battery hobby charger (Hobbyking) and power supply unit (Ebay). It might be cheaper and safer but requires a small bit of electrical know-how and possibly soldering...

Scott Sub 40 with 200W, 36v Ezee geared front hub motor
Trek Madonne 3.1 driven by left leg and right leg
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