SPM-2420 a smart charger, power supply: 220V single-phase two, charging voltage: 12V / 24V, rechargeable 12V / 24V sealed lead-acid batteries of various general and 3, the charging current: 0-20A 4, constant current limiting charge adequate automatic float, 12V, 24V automatic conversion, sealed battery charging for the use of 5, volume: 230 * 305 * 150 (mm) 6 Weight: 7kg new electrical double the official website: www.zzsx.cn