1. Voltage: 1.5V disposable and rechargeable batteries, including: AA, AAA, D-sized (1), C-sized (2), AG series button batteries, etc.

2. Voltage: 9V for disposable and rechargeable batteries.

The battery charge can be determined by the position of the pointer:

"1、"电量充足"：GOOD-好的

"2、"电量不足"：WEAK-电量弱

3、"No battery": REPLACE - Need to replace the battery.

Universal Button Battery Checker Tester AA AAA C D 9V
Don't Guess Which Batteries to Keep and Which to Throw Away.
Please place your battery between the two points of the battery tester.
and the easy-to-read display will tell you instantly whether you have a dud,
or if you can eke out another few minutes of battery life.
Checks the power level of all 1.5V and 9V batteries
易于阅读，颜色编码的仪表指示功率级别
Tests 1.5V miniature cells
Three results: red=replacement, yellow=low power, green=good
If the needle does not move, check that the battery is touching both contacts before assuming
That it is completely dead.
The battery tester may be used to test the following sizes:
1.5V:
AAA, for HP16, MN2400, R03
AA, HP7, MN1500, UM3
C, HP11, MN1400, SP11, LR14, UM2
D, HP2, MN1300, SP2, R20,UM1
9V: PP3, MN1604, 6F22, 006P
NOTE:
The battery tester is activated by the battery being checked. Keep test times as short as possible, to avoid unnecessary battery drain.

Color: Black
Item size: 110*59*25mm
Net weight: 51g

Note: AAA batteries are not included.

Packing content:
1 x Battery Tester