1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);
4) MOS transistor can control the battery charge and discharge;
5) low standby current consumption.

Specifications:

• Over charge voltage:4.25-4.35v±0.05v
• Over dishcarge voltage: 2.3-3.0v±0.05v
• Max continuous current:3A        
• Max peak current:5A  
• Working temperature:-40---+50 
• Storage Temperature:-40-- +80
• Small current:less than 3uA         
• Life cycle :more than 50000hours
• Resistance:Less than 45m             
• Short cut protection :Protectable,charge can repair
• Size: 36*6*1.0mm

• 5pcs x 2S 3A Li-ion Lithium Battery Charger Protection Board