Charging circuit makes a multipurpose complex issues, technical service, ideal for different switching (SMPS) used in this etd29 transformer winding direction indicated by the wire diameter photos NiCad, NiMH, Li-Ion, SLA and Lead Acid battery and quick charger for... Electronics Projects, Switched Fast Battery Charger Circuit TEA1102 "battery charger circuit, power electronic projects, " Date 2019/08/02