The new GT Power 8S Capacity Meter is a must have tool for any RC Hobbyist, not only is it capable of instantly checking the overall and individual cell voltage of Lipo/Life & Li-ion batteries (with balance plugs fitted) it can also give you an instant reading of the remaining capacity of the battery at the same time, leaving you no reason to guess! The mode option also allows you to check the highest and lowest individual cells as well as the voltage differences between individual cells. Alongside the Lithium battery port, there is an additional receiver style 3 pin port for checking overall voltage on Nimh/Nicd RX batteries. Features Mini size, super portability High quality and exquisite craftsmanship Designed for Li-Po, Li-Hv, Li-Fe, Li-ion, Nickel batteries, highly effectively manage your different batteries for better safety use The input port supports the detection of up to 8S battery Not only test voltage of each cell battery, but also discharge difference volume for balance All Status Display: 3 button operation, easy to switch as you wish Also acting as PPM servo tester Specifications Brand name: G.T.POWER Display: LED Input voltage: 4.2 - 33.6V Supported Batt. Type: LiPo, LiHv, LiFe, Li-ion, Ni-Cd Balance Cells: 1~8S Size: 85 * 55 * 10mm Product weight: 50.4g Packing include: 1 * Battery Voltage Capacity Meter 1 * English Manual