2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V Overcurrent Protection Overdischarge Overload 4A 2 Series BMS

Features:

1. high precision voltage detection function for each battery;

2.3 overcurrent detection function;

3. through the tube mos can control the charge and discharge of the battery;

4. wide operating temperature range: -40 ° c ~ + 85 ° c;

5. low current consumption

Specifications:

1. charging voltage: 9 v dc / cv dc (maximum: 12 v)

2. current

Single current consumption (consumption) 66ua

Maximum sustained discharge current: 4a

3. overload protection

Overload detection voltage: accuracy 4.29 v ≤ 0.025 v

Overload detection delay time: 1s

Overload recovery voltage: accuracy 4.05 v ≤ 0.025 v

4. over-discharge protection

Over-discharge detection voltage: accuracy 3 v ≤ 0.1 v

Overload detection delay time: 128ms

Over discharge recovery voltage: 3.2 v accuracy ≤ 0.1 v

5. overcurrent protection

Overcurrent detection voltage: 200mv

Overcurrent detection current: 9.8a

Overcurrent delay time: 12ms

Recovery status: automatic recovery

6. short circuit protection

Detection status: external short circuit

Detection delay time: 5050us

Recovery status: automatic recovery

7. internal resistance: protection circuit 🙁 mospet) 2121mΩ

8. temperature

Operating temperature range: -40 ° ~ + 80 °

Storage temperature range: -40 ° ~ + 125 °

Product size: about 3.50 * 1.70cm / 1.38 “* 0.67”

No Retail Packages

Quantity: 1Pc

Note: Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you!