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Battery Protection Circuit Board (PCB) for 7s Cells 25.9V Battery Packs (HCX-D122)

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Battery Protection Circuit Board PCB for 7 cells in series 25.9V

Li-ion/Li-Polymer Battery Packs.

Item Contents Criteria(customized)
1 Model HCX-D122 7S-15A working current-- 40-60A cutoff
2 Voltage Charging voltage 29.4V
3 Current Maximal continuous charging current 5A
Maximal continuous discharging current 15A
Current consumption ≤ 30μ A/ cell
4 Overcharge Protection Over charge detection voltage 4.2V± 25mV
Over charge detection delay time 0.5S— 2S
Over charge release voltage 4.05V± 50mV
5 Over Discharge Protection Over discharge detection voltage 2.50V± 50mV
Over discharge detection delay time 10mS-30mS
Over discharge release voltage 2.5V± 10mV
6 Over Current Protection Over current detection voltage 0.2V± 0.02V
Over current detection current 40A-60A(adjustable)
Detection delay time 5mS- 20mS
Release condition Cut load, automatically recover
7 Short Circuit Protection Detection condition Exterior shot circuit
Detection delay time 300μ S
Release condition Cut load, automatically recover
8 Balance Balance voltage for single cell 4.2V
Balance current for single cell 84mA
9 Resistance Inner resistance ≤ 30mΩ
10 Temperature Operating temperature range -40~+70° C
Storage temperature range -40~+70° C
11 Size  (L*W*H) 75mm*60mm*8mm