simple 3.7v battery charger
#7techprojects #battery #charger #circuit #lithiumionbattery #project #electronics #electrical
This is a simple 3.7 v battery charging circuit. Power required to charge this circuit can be supplied from a 5v mobile charger. It would be better to use 500ma 5v charger to increase the life of the buttery and the safety of the charging circuit.
electronics components need:-
3.7 v battery
mobile charger 5v
charging femail socket
diode 1N 4007
resistor 470 ohms
LED