Description:
This is a 7.4V 2S BMS Board Module. This small and smart battery charger protection 7.4V 2S BMS Board module comes with various features like Short circuit protection, Overcharge protection, Over-discharge protection, and Overcurrent protection. 7.4V 2S BMS Board is very easy to install and convenient to use in all your DIY portable projects.
Specifications:
|
No.
|
Test item
|
Criterion
|
|
|
1
|
Voltage |
Charging voltage |
DC: 8.4V CC/CV |
|
Balance voltage for single-cell |
4.2V |
||
|
2
|
Current |
Balance current for single-cell |
70mA |
|
Current consumption |
≤10μA |
||
|
Maximal continuous charging current |
N/A |
||
|
Maximal continuous Discharging current |
7A |
||
|
3
|
Overcharge Protection |
Overcharge detection voltage |
4.29±0.025V |
|
Overcharge detection delay time |
1S |
||
|
Overcharge release voltage |
4.09±0.025V |
||
|
4
|
Over-discharge protection |
Over-discharge detection voltage |
3±0.1V |
|
Over-discharge detection delay time |
128mS |
||
|
Over-discharge release voltage |
3.2±0.1V |
||
|
5
|
Over current protection |
Over-current detection voltage |
200±25mV |
|
Over-current detection current |
13.5±0.5A |
||
|
Detection delay time |
12ms |
||
|
Release condition |
Cut load |
||
|
6
|
Short Circuit protection |
Detection condition |
Exterior short circuit |
|
Detection delay time |
300us |
||
|
Release condition |
Cut load |
||
|
7
|
Resistance |
Protection circuitry(MOSFET) |
≤15mΩ |
|
8
|
Temperature |
Operating Temperature Range |
-40～+85℃ |
|
Storage Temperature Range |
-40～+125℃ |
||
Features:
- High-accuracy voltage detection circuit
- Terminal of the charger using high voltage device
- Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit)
- MOS transistors can control the battery charge and discharge
- Low standby current consumption
Package Included:
1 x 7.4V 2S BMS Board 2S Li-ion Li-Po Battery Protection Balance BMS PCM Current 7A 2S7AW006