Simple 1.2V AA Ni-MH Battery Solar Charger circuits
Simple Li-ion Battery Charger Circuit with Automatic Cut-Off; 1.2V AA Ni-MH battery solar charger circuit. This is the simple solar battery charger circuit. It is suitable for charging one or two 1.2V AA nickel-cadmium batteries or AA Ni-MH batteries. ... Look at the circuit diagram below. It show the level of voltage and current at various points.