Specifications: Input voltage range: 4.50- 38.0VDC Charge current range: 0.05 - 30.0A Discharge current range: 0.05 - 30.0A Maximum charge power capacity: 1000W @ input voltage 23V (500W @ input voltage 12V) Maximum discharge power capacity: 80W Maximum regenerative discharge power capacity: 1000W Maximum extern discharge power capacity: 1200W @ 40V/30A Current drain for balancing: 500mA Balance accuracy: 10mV Lithium (LiPo/LiIo/LiFe) battery cell count: 1-10 series (In non-balance mode, LiFe expandable to 12s) NiCd/NiMH battery cell count: 25 series Pb battery cell count: 1 - 18 series (36V) Battery setup memories: 10 Intelligent temperature control: Yes PC Connect: USB port Weight: 750g Dimensions (L X W X D): 143X123X46mm / 5.63'X4.84'X1.81'