ELD 13710 programmable dc electronic load .Remote controlled by computer .Battery capacity testing Features.Over-voltage, ... , over-power, over-heat and reverse connection of polarities protectionSoftwareElectronic load software, VB, VC++, DELPHI, LABVIEWStandard accessoriesUser's manual, AC cable ... ±15%, 47~63HzDimensions(WxHxD)225x105x340mmWeight5kg ELD 13710 programmable dc electronic load