Key features

• •VERSATILE APPLICATION: This universal battery tester can test many different types of batteries, and work with both standard and rechargeable household batteries. Works with all 1.5v batteries, AA, AAA, C, D, button cells, and 9v batteries.
• •NO BATTERY NEEDED FOR OPERATION. EASY TO USE: Clear to read, the analog display needle moves on a color-coded, calibrated scale to quickly identify "good" (green), "low" (yellow), and "replace/recharge" (red) battery status. Requires no battery for testing. Activated by testing battery power with clear LCD digital display.
• •ESSENTIAL HOME PRODUCT: This is a must have essential household tool that allows you to keep on all batteries conditions, and you will never be out of batteries all a sudden. Must have item for regular and rechargeable user.
• •LIGHTWEIGHT and PORTABLE: This battery tester is pocket size and very lightweight. Very easy to carry around, and does not take up storage space.
• •BUY WITH CONFIDENCE: All sales come with lifetime after-sale service, if you have any problems, contact us via: https://www.amazon.com/ss/help/contact/?sellerID=A9JWJVEJFYCB1; Bottom line, it works, or your money back. FCC, ROHS certified.