Description: Portable: Digital Battery Capacity Tester, simple but effective small battery tester checker, compact size, light weight, easy to carry.Application: Battery Capacity Check Checker is suitable for standard household batteries. AA, AAA, 1.5V, 9V battery tester.Features: Battery capacity check checker, you can test the battery voltage to determine whether the battery capacity is low or high, easy to read, numbers indicate power level.Convenient: Battery Voltage Measurement, LCD display, easy to read, digital display on the tester, you can quickly test your battery capacity.Practical: Battery lever Tester, this is a must have tool for home use, allowing you to maintain your grip in any situation and never be surprised. Specification: specification:Battery Size: 1.5V | 9VGood: 1.5V to 1.28V| 9V to 7.8VLow Power: 1.3V to 1.15V| 7.8V to 6.3VReplace: Below 1.15V| Below 6.3VNote:For 1.5V and 9V batteries, read off LCD.For 1.5V mininature cells, read off LCD.IF LCD does not display, check that battery is touching both contacts before assuming that it is completely dead.This Battery Tester is activated by the battery being checked. Keep test times as short as possible, to avoid unneccessary battery drain. Size Chart: 11.08cmx6.05cm/4.36inchx2.38inch Package Includes: 1 Digital Battery Capacity Tester Note: Please allow slightly errors due to manual measurement and different monitors.