DSF2010 is suitable for capacity test, balanced charge & discharge maintenance, capacity sorting & grouping, analysis and judgment of individual modules in entire battery pack of Lithium, Nickel-metal Hydride, and Nickel-Chromium. DSF2010 isolation detection technology can determine the location of the defected modules without disassembling the battery pack, then replace it. It can balance charge and discharge the unbalanced battery pack to balance the battery and restore the battery pack to normal balance.