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2S Bms / Pcb 2Mos - 2004-D - 12A - 7.2V

Additional Information

EAN / GTIN  8438493106169
Weight - g  10
Brand  Keeppower
Battery chemistry  Li-ion
Series  2S

Availability: In stock




1.   Model: XZD-2004-C

2.   PCB Material: FR4 (55mm *7.5mm)

3.   Overcharge detection voltage(VCU): 4.35±0.05V

4.   Overcharge detection delay time: 1.0±0.5mS

5.   Over discharge detection voltage: 2.3±0.1V

6.   Over discharge detection delay time: 1.0±0.5ms

7.   Over current detection voltage: 0.30±0.015V

8.   Over current detection current: 7-12 A

9.   Detection delay time: 1.0s

10.  Release condition: Cut load

11.  Detection conditionp: Exterior short circuit

12.  Detection delay time: 10ms

13.  Release condition: Remove the Load 

14.  Normal mode: 10uA

This BMS-system can't balance a battery pack, it's only for the cutoff of under and over-voltage

Additional Information


B- = negative (like 0V/ground) B+ = positive (like +7.4V) BM = between the 2 celsl (like +3.7V) P-=charge/power output negative P+=charge/power output positive T= for 10k PTC Datasheet


Customer Reviews

make a pack for my LED bicycle headlight. Review by Yves SOUSSI

1) I'm using this board to make a pack for my LED bicycle headlight. The pack that came with the headlight was crap and the charger was worse so I bought a set of 4 18650 cells, this IC, and a 2x cell holder. Now I can carry an extra set of cells on longer rides and more importantly, I can charge each cell individually and keep them balanced using my XTAR charger. And if I forget to unplug my cheap headlight after a ride, this circuit will keep the cells from dropping too low. (I've already killed 2 unprotected packs like this).

Best regards
(Posted on 02-04-18)

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