Power Supply: 1pc 1.5v alkaline battery LR03

It can test 1.5v Alkaline Dry Battery: AA/AAA/C/D

9V Alkaline Dry Battery: 6LR61(6F22)

3VLithium Battery:CR123A/CR2/CRV3

6V Digital Camera Battery: 2CR5/CR-P2

1.5V Alkaline Button Cells: AG0-AG13

3.0V Lithium Button Cells

Function: Quickly find out how much power is left in your battery

Optional colors: Black; red; blue; gray

18 columns of the LCD display:

LCD display  Primary / alkaline battery/ lithium battery/ button cell

1-5 columns: Poor - means the battery is empty, it should be disposed

6-10 columns: Fair- means the battery with limited power left, it is recommended not to be used

11-18 columns: Good- means the battery is good with adequate power

Certificates: EMC，ROHS, FCC, UKCA