2A 5V Charge Discharge Integrated 3.7V 4.2V Lithium Battery Boost Mobile Power Protection Diy Electronic PCB Board Module
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2A 5V Charge Discharge Integrated 3.7V 4.2V Lithium Battery Boost Mobile Power Protection Diy Electronic PCB Board Module

$3.59
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? ? ? Trigger mode: low level trigger (ground) MCU users, if you accept a small load KEY can be connected to the microcontroller about 20S to give a low level allows the module to continue working! 4-in-1 Charging / Discharging / Lithium Battery Protection / Battery Level Indicator Module ? 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¡ã to +85¡ã Size : 25 x 16 x 4mm Weight : 2.3g PCB board process: Shen Jin 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) ? Pin description: 1

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