iCharger 306B is rated at 1000w and 30amps. Capable of charging up to 6 cell lithium batteries, 25 cell NiMh/NiCd batteries and 2-36v lead acid automotive or marine batteries.With its rated 1000w of power and proven 90% efficiency, iCharger 306B will deliver true 30 amps in a charge cycle, regardless of the size of the battery (or batteries) being charged.iCharger 306B is also the smallest 30 amp 1000 watt charger available today.Specifications:Input Voltage: 4.5-38 VoltsDC Charge Current Range: 0.0530.0Amps Discharge Current Range: 0.0530.0 AmpsMaximum Charge Power Capacity: 1000 watt at input voltage greater than 23 voltMaximum Discharge Power Capacity: 80 wattCurrent Drain for Balancing: 5000maBalance Accuracy: 10mvLithium (LiPo/Lilo/Life) Battery Cell Count: 1-6 seriesNiMh/NiCd Battery Cell Count: 1-25 SeriesPb (Lead Acid) Cell Count: 1-18 series (2-36v)Log File Storage: 16 Mbit (31 Hours)Battery Setup Memories: 10Intelligent Temperature Control: YesPC Connect: USB PortWeight: 750gDimensions (LxWxD): 143x123x46Package Included:1x iCharger 306B Battery Charger