Versatile Battery Tester: The 168Max Digital Lithium Battery Tester is your goto device for checking a wide range of battery types, including AAA, AA, C, D, and 9V, ensuring you always know the health of your batteries. EasytoRead LCD Display: This Battery Tester features a clear digital display that allows you to quickly assess battery capacity at a glance, whether you're testing lithium batteries or standard alkaline options. Universal Compatibility: Designed to test various battery sizes from 1.2V to 4.8V and up to 9V, this Battery Tester supports multiple types such as 18650, 16340, 14500, and more, making it suitable for all your battery needs. Simple Operation: Just place the battery between two contact points on the Battery Tester, and the easytoread display will indicate whether your battery is good or if there's still usable charge left, helping you extend battery life. Use scenario: Home use to quickly check household batteries (AAA, AA, C, D, 9V) before reuse in devices, ensuring you don't put worn batteries in gadgets. Use scenario: Retesting rechargeable Liion cells (18650, 16340, 14500) before projects, flashlights, RC toys, or power tools to confirm viability and prevent device damage. Use scenario: In a workshop or field setting to verify spare or mystery batteries for portable equipment, power banks, or emergency kits, enabling informed battery management.