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)