HXYP-2S-A18 2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V 4A BMS Module DC 9V 12V CC CV Short Circuit Protection

Features: 

• High-precision voltage detection function for each battery
• 3 overcurrent detection function
• Wide operating temperature range: -40 ° C ~ +85 ° C
• Low current consumption
• Through the MOS tube can control the battery charge and discharge

Specification: 

Charging voltage: DC 9V CC / CV (MAX:12V) 

Current :

• Single current consumption (consumption) ≤6uA 
• Maximum sustained discharge current:4A 

Overcharge protection:

• Overcharge detection voltage:4.29V Accuracy ≤±0.025V 
• Overcharge detection delay time:1s 
• Overcharge recovery voltage:4.05V Accuracy ≤±0.025V

Over-discharge protection:

• Over-discharge detection voltage:3V Accuracy ≤±0.1V 
• Over-discharge detection delay time:128ms 
• Over discharge recovery voltage:3.2V Accuracy ≤±0.1V 

Over-current protection:

• Overcurrent detection voltage:200mV 
• Overcurrent detection current:9.8A 
• Overcurrent delay time:12ms 
• Recovery Status: Auto Recovery 

Short-circuit protection:

• Detection status:external short circuit 
• Detection delay time:≤ 50us 
• Recovery Status:Auto Recovery 
• Internal resistance:protection circuit:(MOSPET) ≤ 21mΩ 

Temperature:

• Operating temperature range:-40℃ ~ +80 ℃
• Storage temperature range:-40℃~ +125℃
• Product size: about 3.50 x 1.70cm/1.38" x 0.67 

Package included:

1x 2S Li-ion 18650 Lithium Battery Charger Protection Board