Cellmeter-7 v2 is a simple, fast and brilliant way to check battery voltage, and most importantly, help you determine the condition of your packs within seconds This Cellmeter comes with balance function, it take the battery voltage in the lowest section as the to discharge for balance. Item number: CellMeter-7 Item name: Digital Battery Capacity Checker Voltage Meter Cell number: NiCd/NIMH (4-7 Cells), Lithium type (2-7 Cells) Battery Type: NiCd/NIMH, -Po, LiFe, - Display Mode:Battery cell voltages, voltages,lowest cell voltage, Highest cell voltage space between highest cell voltage and lowest cell voltage, Remaining battery capacity(%) Colour:black Material:plastic Package Contents: 1 x Battery Capacity Checker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.