Test a Wide Range of Batteries - Designed to test AAA, AA, C, D, 9V, and button cell batteries, this compact device ensures you can easily check the remaining energy level of a variety of commonly used batteries for everyday devices. Convenient and Compact Design - This lightweight battery tester is highly portable and easy to store, allowing you to carry it in your toolbox, drawer, or bag for quick access whenever you need it. Durable ABS Construction - Crafted from strong ABS material, this battery tester is built to withstand daily use and provide long-lasting reliability, ensuring it remains a trusted tool for testing batteries over time. Easy-to-Read Display - With a clear and straightforward display, this tester provides accurate readings of your battery's remaining charge, helping you make informed decisions about whether to replace or reuse your batteries. Perfect for Household and Office Use - Whether testing batteries for toys, torches, or various electrical devices such as mice, this compact tester is ideal for use in the home, office, or workshop, offering great value for keeping your devices powered.