https://www.tokopedia.com/tokoheli/aok-cell-meter-8-servo-esc-lipo-battery-capacity-checker-cellmeter

With original retail Packing ,guaranteed Original product and with instruction paper

Specifications:
Cell Number: NiCd / NiMH (4 - 7 Cells), Lithium Type (2 - 7 Cells)
Dimensions (Length x Width x Height) : 84 x 50 x 16mm
Battery Support : NiCd / NiMH, Li-Po, LiFe, Li-ion

Display Mode:
Battery cell voltages, Total voltages, Lowest cell voltage, Highest cell voltage,
Voltage gap between Highest cell voltage and Lowest cell voltage, Remaining battery capacity (%),
Remaining cell capacity (%) .
Press "TYPE" for 3 seconds until you hear 3 'Beep' sound ,the 'LiPo' will Blink and the 1S - 6S will Blink - shows Cell Balancing begins Balancing Mode.
During Balancing Mode , the checker will give a bit warmer temperature .

Package Included :
1x Version 2 Cellmeter-7 Digital Battery Balance Checker
1x Instruction paper