- Practical and user-friendly battery tester. - Checks all important batteries, rechargeables and button cells. - Results are readable on LCD display. - Battery Tester contains 2x LR44. - Able to check energy levels of all cylindrical cells, button cells and E-block batteries (1.2V, 1.5V, 3V, 9V). - Suited for Primary batteries and Rechargeables. - LCD display. - On / Off button. - Containing 2x LR44 Alkaline button cells.