6-stage fast charging 12V 10A and 24V 5A 6-stage fast charger, the charging speed is much faster than 8A or 5A automatic chargers. Automatically detects battery sulphation and acid layering, utilizes the latest pulse repair function to restore lost battery power for stronger engine starts and longer battery life. 6-stage fast charging: Desulphurisation mode -> constant current mode -> constant voltage mode -> pulse mode -> floating charge mode -> fully automatic stop. Product specifications: Input voltage: AC current: 110-220V (50-60Hz) Output voltage: 12V-15.5V/24V-31V. Output current: DC = 12V10A/24V5A (max.) Dimensions: 180 x 90 x 60 mm Net weight: 0.6 kg.