... 50wBalance currentmax.300mABalance tolerance+-0.01vNicd/NiMH battery cell count1-22cellsLithium Battery typesLI-po,Li-ion. ... cell count1-8seriesPb battery voltage2-28vwight428gDimensions168*105*36mm Specail features ;1) Opetimized operaing software2) Internal independent lithium ... Adaptable to various type of lithium battery5) Fast and storage mode of lithium battery6) Maximum safety7) Automatic ...