12V Battery Charger for Current Limiting Lead Acid SLA (WET, MF, AGM and JEL). The battery charging circuit SLA uses a two-step process to charge the batteries. It automatically switches to float charge mode at a constant voltage after... Electronics Projects, 12V 1AH-10AH Battery Charger Circuit (Automatic Float Charge) "battery charger circuit, power electronic projects, " Date 2022/02/27