For AAA AA C D 1.5V 9V Batteries Home Battery Tester Checker W/ Digital Display
£7.51
Detection battery: 1.2-4.8V battery, D battery, C battery, AA battery, AAA battery, 9V battery, button battery, 21700 battery, 18650 battery, 16340 battery. The direct connection and user-friendly design make this an eco-friendly option.
