The Battery Tester is a small, compact, and robust device designed to quickly check the status of your batteries and rechargeable batteries. This versatile tester is suitable for a wide range of common battery types, including AAA, AA, C, D, N, button cells, and 9V block batteries. With its digital readout, you can easily and accurately determine the charge status and battery voltage, helping you decide whether the battery still has enough power or needs to be replaced. Features: Portable and Compact Design: The Battery Tester is easy to carry and store, making it a convenient tool for both home and professional use. Digital Readout: Provides clear and accurate readings of the batterys charge status and voltage, ensuring reliable results every time. Safe Usage: Designed to be used with undamaged batteries only. Always check one battery at a time to ensure accurate results and prevent potential hazards. Specifications: Tests rechargeable, alkaline, lithium, and lithium button cell batteries Compatible with battery types: AAA, AA, C, D, N, 9V, and any 3.0V button cell batteries Not for use with leaking or damaged batteries