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 ...

Innumerable examples might be given of the ... Vectors and Vector Diagrams applied to the Alternating Current Circuit. By W. Cramp C. F. Smith. Pp. xvi + 252. (London: Longmans, Green and Co ...