2Pcs Battery Tester Checker, Universal Battery Checker for AA AAA C D 9V 1.5V Button Cell Household Batteries Smal Electrical Monitor Meter Equipment (Requires No Battery for Operating)

Description

🔋 Never get caught powerless—test smarter, live charged!

This 2-piece universal battery tester checks voltage levels of AA, AAA, C, D, 9V, and button cell batteries without needing its own power source. Featuring a simple analog needle display, it quickly indicates battery health with color-coded zones, making it an indispensable tool for anyone managing household or professional battery use.