... in service! Battery Types Tested Compact storage batteries, Alkali and lead-acid batteries..Battery Capacity 0 to 1200AHResistanceRanges : 4mΩ, ... Supply or AC AdapterSix AA size 1.5V alkaline batteriesBattery Life5.5 hoursWeight Approx. 530g including batteriesDimensions ... DCA current adaptor, Zero adjustment board, Instruction manual, batteries, AC adaptor, Optical RS232 cable, CD PC software, ...