- Controls if batteries/rechargeable batteries are still ready for use or if they need to be replaced or charged ,- Handy tester for all standard batteries and rechargeable batteries ,- Residual voltage determined in seconds and displayed in detail ,- LCD bar display (shows if rechargeable batteries need to be recharged, shows residual voltage for batteries) ,- Over twelve different rechargeable battery/battery types measurable without any problems - Display: LCD Display ,- Number of Batteries: 1 ,- Power Supply: Micro AAA ,- Colour: Silver ,- Testable Button Cell Batteries: 2CR5/CR-P2/CR-V3/CR123A/CR2 ,- Testable Round Cell Batteries: AA Mignon/AAA/C/D/E/N 2 years legal warranty only