Upgraded Battery Tester This advanced Battery Tester is designed for convenience, allowing you to test various battery types without the need for button batteries, making it a hassle tool for home use. Wide Compatibility Supports AA, AAA, D, 9V, and multiple button cell batteries, ensuring you can quickly check the capacity of almost any battery in one compact unit. EasytoRead LCD Display Features a clear LCD bar graph display that makes it easy to read the battery levels at a glance, helping you determine when it's time to your batteries. ABS Construction Made from quality ABS material, this Battery Tester is lightweight and durable, making it the companion for travel or everyday household use. Key benefits Quick, ataglance status of battery health without guessing. One compact unit that covers a wide range of common battery sizes. Lightweight and durable ABS construction for home, office, or travel use. What makes it stand out No need for button batteries to operate the tester itself. Broad compatibility with both common household batteries and several button cell types. Simple, easytoread display that helps you decide when to batteries. Use scenarios Home: check remotes, toys, clocks, and other devices to avoid unexpected power losses. Office: test batteries in wireless mice, keyboards, and other devices to maintain productivity. Travel: carry a compact, durable tester to verify batteries in devices before trips. Specifications and features Tested battery types: AA, AAA, D, 9V, and multiple button cell batteries. Display: LCD bar graph for quick level reading. Construction: ABS material, lightweight and durable. Design: Compact unit suitable for home or travel use.