Feature 1. 100% brand new quality 2. Type: Battery Tester 3. Material: ABS 4. Test micro battery 5. Check the charge of all 1.2V~4.8V and 9V batteries 6. Easy to read with digital display 7. Universal Button Battery Checker Tester AA AAA C D 9V 8. Place the battery between two points of the battery tester Easy-to-read display will tell you immediately if there is a fool Or if you can extend battery life by a few more minutes
The battery tester can be used to test the following: lithium battery: 1.3.7V 2.18650, 16340, 14500, 10440, 21700