BMS

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davego
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Joined: Friday, September 16, 2011 - 05:29
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BMS

Hi all, having problems with bms for 24v 9ah pack? not sure how to test if faulty, battery pack shows readings at base. i cannot get battery to charge, green light all the time, but will not run bike and no lights on leds at top of battery. trying to get replacement bms if poss, but can not track one down, have entered code on bms and no results. would be gratefull for any help.HPIM0759.JPG

reikiman
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Re: BMS

What is the voltage per-cell in the pack? It's possible some of your cells are damaged due to being blow the low-voltage-threshold and that the pack voltage is too low and that the charger refuses to charge the pack.

Hunt around in the vendor directory (http://visforvoltage.org/vendors) and you'll find some that sell BMS's. Plausibly the MiniBMS is a good choice for small packs.

davego
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Last seen: 11 years 4 months ago
Joined: Friday, September 16, 2011 - 05:29
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Re: BMS

Thanks for your posting, the lowest reading on the pack is 2.890v, the pack has 35 Hw 22650m 3.7v 2180mah cells.
think it must be the bms?

D Gordon

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