Lithium battery charger for solar powered system has 4.4-6V power supply voltage and charging output voltage is 4.2V.
The solar charger module charger can automatically adjust the charging current according to the output capacity of the input power supply and the maximum charging current/output current is 1A, but you can change the current by changing the value of the R1 resistor.
To activate a deep discharge battery and reduce power consumption, use a low current precharge mode when the battery voltage is low to deep discharge batteries and minimize heat dissipation at the initial charging stage.
It has constant current/constant voltage with thermal regulation maximizes charging rate without overheating risk.
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