18650 Lithium Battery Charging Boosting Mobile Power Board 2A 5V Charge Discharge Integrated Module
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4 in 1 Charging + Discharging + Lithium Battery Protection + Battery Level Indicator Module. Lithium battery protection function: over-current, overvoltage, over-temperature, short circuit protection.
MCU users, if you accept a small load KEY can be connected to the microcontroller for about 20s to provide a low level that allows the module to continue working. Trigger mode: low-level trigger (ground)
In discharge mode (The charging mode KEY function is invalid), trigger the KEY port once to open the output; continuously trigger the KEY port twice to close the output.
The first time the load is connected, the output is automatically turned on. If the load is less than 50MA, the output will be automatically turned off after 30 seconds; if the load is greater than 50MA, the output will be automatically turned on.
Allow discharge while charging. (Note: At this time output voltage is 4.7 / 5V)
Charging voltage: DC 4.5V-5.5V (DC 5V recommended).
Charging current: 0-2.1A
Load rest current: 100 AU
Full voltage: 4.2V +-1%.
Discharge current: 0-2.4A;
Discharge rest current: 50 AUA.
Discharge efficiency: up to 96%
Output voltage: 5V
Output current: 0-2.1A;
Ambient temperature: -20°C-85°C
Protection function: OCP, OVP, SCP, OTP
|Dimensions||4 × 3 × 2 cm|