July 19, 201213 yr Hello, I just got a new phylion 36v 10ah Li+ battery with charger. The instruction manual that came with it (from the retailer) recommended to charge the battery for twelve hours -but the instructions only talk about NiMH batteries so I think this might be inappropriate. However, inside the factory packaging for the charger came a warning from the manufacturer to charge the battery for at least 24hrs for the first first two charge cycles. I don't really want to leave the battery charging overnight or do two separate lots of 12 hrs as I'm concerned that this could lead to overcharge (doesn't the charger initially try to pump a large amount of current into the battery before it goes into top up mode?). So, would just twelve hours be OK? Edited July 19, 201213 yr by electron
July 20, 201213 yr Hi Dont worry you wont overcharge the battery it is to balance out the cells in the battery you will hear the charger kicking now and again i would cycle for at least 6 times Frank
July 20, 201213 yr It shouldn't take that long to charge and balance. I would have though a max. of 6 hours would have been enough. The charger should be a constant current / constant voltage type IE: CC up to the rated pack voltage then switching to CV to hold the pack at the correct voltage whilst ramping down the current. The only reason to cycle it fully would be to reset any BMS fuel gauge that might be present, once is enough.
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