RED SHIELD Universal Battery Tester, Accurate and Portable Battery Checker for AA AAA C D 9V 1.5V and Button Cell Batteries
- TOSS THE OLD: This battery tester will help you determine which batteries to keep and which ones to toss in the trash.
- CHECK UNIVERSALLY: Test multiple sizes of batteries in one unit: AA, AAA, C, D, 9V, 1.5V and button cell batteries.
- NO BATTERIES NEEDED: This device requires no additional batteries to operate, it generates power from the battery being tested. Keep test times short to avoid unnecessary battery drain.
- COLORED GUAGES: Easy to understand analog display screen -- “good”/green, “low”/yellow, “replace (recharge)”/red.
- SMALL SIZE: Small and compact in size, this battery tester is lightweight and easy to carry around.