Item
|
Content | Criterion |
---|---|---|
Model
|
HCX-D744LI09S20A-02/028XY-AAA11 | 9S-20A working current |
Voltage
|
Charging voltage | 37.8V |
Current
|
Maximal continuous charging current | 8A (Charge Over Current ≥14A) |
Maximal continuous discharging current | 20A | |
Current consumption | ≤100uA | |
Overcharge Protection
|
Over charge detection voltage | 4.25V±0.025V |
Over charge detection delay time | 700mS-1300mS | |
Over charge release voltage | 4.15V±0.05V | |
Over Discharge Protection
|
Over discharge detection voltage | 2.7V±0.05V |
Over discharge detection delay time | 0.7S-1.3S | |
Over discharge release voltage | 3.00V±0.1V | |
Over Current Protection
(1st Protection) |
Over current detection current | 50A±10A / 0.1V±0.01V |
Detection delay time | 330mS±100mS | |
Release condition | Cut load & charge to recover | |
Over Current Protection
(2nd Protection) |
Over current detection current | 100A±20A / 0.2V±0.02V |
Detection delay time | 33mS±10mS | |
Release condition | Cut load & charge to recover | |
Short Circuit Protection
|
Short circuit detection current (Also depends on your pack’s capacity) |
300A-550A (external resistance ≤ 0.1Ω) |
Detection delay time | <280uS (fixed) | |
Detection condition | Cut load, automatically recover | |
Balance
|
Balance voltage for single cell | / |
Balance current for single cell | / | |
Temperature Protection
|
Temperature Switch | 90°C±5°C |
NTC (10KNTC B=3435) |
50°C±5°C | |
Resistance
|
Inner resistance | ≤20mΩ |
Temperature
|
Operating temperature range | 0~+85℃ |
Storage temperature range | 0~+85℃ | |
Size(L*W*H)
|
L72mm*W34mm*H10mm |
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