Specifications:

• 1. Charging voltage:DC 9V CC / CV (MAX:12V)
• 2. Current
• Single current consumption (consumption) ≤6uA
• Maximum sustained discharge current:4A
• 3. Overcharge protection
• Overcharge detection voltage:4.29V Accuracy ≤±0.025V
• Overcharge detection delay time:1s
• Overcharge recovery voltage:4.05V Accuracy ≤±0.025V
• 4. 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
• 5. Over-current protection
• Overcurrent detection voltage:200mV
• Overcurrent detection current:9.8A
• Overcurrent delay time:12ms
• Recovery Status: Auto Recovery
• 6. Short-circuit protection
• Detection status:external short circuit
• Detection delay time:≤ 50us
• Recovery Status:Auto Recovery
• 7. Internal resistance:protection circuit:(MOSPET) ≤ 21mΩ
• 8. Temperature
• Operating temperature range:-40 ° ~ +80 °
• Storage temperature range:-40 ° ~ +125 °

Features:

• 1.High-precision voltage detection function for each battery;
• 2.3 overcurrent detection function;
• 3.Through the MOS tube can control the battery charge and discharge;
• 4.Wide operating temperature range: -40 ° C ~ +85 ° C;
• 5.Low current consumption
• Product size: about 3.50*1.70cm/1.38"*0.67"

• 2pcs x 2S 4A 7.4V Li-ion Lithium Battery Charger Protection Board