Here is a tried and tested sample circuit of a Li-Ion battery charger that can be used to charge any 3.7V Li-Ion battery using a 5VDC (USB, Solar Panel…) power supply. At the heart of the circuit is ...
A solar charge controller is a device found in photovoltaic (PV) energy systems that controls the amount of power that can be transmitted to an electric storage battery. By controlling the charge sent ...