FON-10A+ Three Stage Intelligent Lead Acid Battery Charger 6V 12V PWM Car Battery Charger AC150-250V Lead Acid Car PWM Battery Charger. FON-10A+ PWM battery charger, reliable unit for 6V/12V lead-acid, AGM and gel batteries, adopting three-stage charging mode. Input voltage: AC 150V-250V. Product Features Compatible with 6V and 12V lead-acid, AGM and gel batteries (model FON-10A+) Uses three-stage charging logic to optimize charging efficiency and extend battery service life