Use the battery tester to see the batteries are empty or not, and to see the volt of the batteries. Throw away dead batteries and keep good ones. Price is decent:US $2.99 (AU $3.31)
The $1 BT-168 battery tester is different from this one. This one can show the volt of the battery with LCD screen!
Short video review: https://www.youtube.com/watch?v=uz-L940EvPA
Features
- High sensitivity
- It will quickly test the capacity of your battery
- You can read clearly on the LCD digital screen
- The battery tester can be used to test the following:
1.5V: AAA, HP16, MN2400, R03; AA, HP7, MN1500, UM3; C, HP11, MN1400, SP11, LR14, UM2; D, HP2, MN1300, SP2, R20,UM1
9V: PP3, MN1604, 6F22, 006P
Specifications
- Model: BT-168D
- Material: ABS
- Display: LCD Screen
The battery tester looks pretty cool. No messy cables.