The battery power tester is compact in size, humanized design, light, portable and easy to use. Made of ABS material, high insulation, easy to push and pull button for simple and convenient operation. Digital display screen design, which can directly display the battery status, fast and accurate. No battery required, it generates electricity from the battery under test, to avoids unnecessary battery consumption, no more waste. With this tool, you can simply test the battery voltage of the spare battery to determine if the battery capacity is low or high, or needs to be replaced. Features: The battery power tester is compact in size, humanized design, light, portable and easy to use. And suitable for putting in a kitchen drawer, desk, toolbox or in a pocket without occupy too much space. It is made of ABS material, high insulation, easy to push and pull button for simple and convenient operation. Digital display screen design, which can directly display the battery status, easy to read the voltage at a glance, number indicates the power level, fast and accurate. No battery required, it generates electricity from the battery under test, to avoids unnecessary battery consumption, no more waste. Easy to use, you can simply test the battery voltage of the spare battery to determine if the battery capacity is low or high, or needs to be replaced. Perfect compatibility, support test multiple models, designed for test 1.2V-4.8V and 9V batteries, such as 1.5V NO.1/NO.2/NO.5/N.O7 batteries, N type NO.8 batteries, LR44 1.5V button cell, CR2032 3V button cell, 6F22 9V battery, R14 1.5V battery, 18650 models of lithium batteries and so on. Specifications: Name: Battery Capacity Tester Material: ABS Item size: 110 * 58 * 25mm / 4.33 * 2.28 * 0.98in Package size: 110 * 61 * 25mm / 4.33 * 2.40 * 0.98in Package weight: 45g / 1.59ounce Packing List: 1 * Battery Capacity Tester