Mạch 4 trong 1 sạc pin li-ion 3.7V 4.2V tích hợp tăng áp 5V 2A và báo pin

Sơ đồ đấu dây và kích thước tham khảo thêm trên ảnh.
LƯU Ý: Tránh đấu ngược cực tính sẽ dẫn tới hỏng mạch.

4-in-1 Charging / Discharging / Lithium Battery Protection / Battery Level Indicator Module
Trigger mode: low level trigger (ground)
Charging voltage: DC 4.5V-5.5V (DC 5V recommended)
Charging current : 0-2.1A
Charging quiescent current : 100uA
Full voltage: 4.2V+-1%.
Discharge current: 0-2.4A;
Discharge quiescent current : 50uA
Discharge efficiency: up to 96%
Output voltage: 5V
Output current: 0-2.4A;
Ambient temperature: -20° to +85°
Size : 25 x 16 x 4mm

The module comes with a lithium battery protection function (the lithium battery does not need to have a protection board, it does not matter if it has a protection board)
Over-current protection (OCP)
Overvoltage protection (OVP)
Short Circuit Protection (SCP)
Over-temperature protection (OTP)