1) Input voltage: 220V±10% 2) Charging modes: manual switching for GCA 3) Frequency: 50Hz-60Hz GCA 6-12V/5A, GCA 6-12V/10A, GCA 6-12V/20A, GCA 6-12V/30A, GCA 6-24V/5A, GCA 6-24V/10A, GCA 6-24V/20A, GCA 6-24V/30A, GCA 6-36V/5A, GCA 6-36V/10A, GCA 6-36V/20A, GCA 6-36V/30A, and GCA 6-36V/50AWith features of excellent design, quick charging, safety and reliability, easy and maintenance, GCA ...