About this item

• Universal battery tester: the battery tester is suitable for AAA, AA, C, D, 18650, 9V alkaline, dry batteries or rechargeable batteries; Battery power tester can display battery power instantly
• Portable battery tester: this portable battery tester is small and light, easy to carry, and can test the battery anytime and anywhere; The small size is suitable for putting in a kitchen drawer, desk, toolbox or in a pocket
• No battery required: the device does not need an additional battery to work, and it generates electricity from the battery under test; Shorten test time to avoid unnecessary battery consumption
• Digital display screen: the universal battery tester has digital display function, which can directly display the battery status, digit indicates power level
• Digital LCD Universal Battery Tester, Portable Battery Checker Battery Tester for AA AAA C D 9V 3.7V 1.5V Button Cell