Universal Battery Tester and Voltage Checker - a must have for every battery in your house !

【Small & Practical】Simple but effective battery tester. Compact size and lightweight, easy to carry.

【Various Types】Testing different battery types work with standard and rechargeable household batteries: AA, AAA, C, D, 1.5V,9V, and button types.

【Convinent】This will keep you from wasting batteries by throwing out good ones.

【Fits】AA/AAA/C/D/9V/1.5V Button Cell Battery (Batteries not included)

【A Must-Buy】For anyone who uses regular or rechargeable batteries regularly.