This product that battery capacity tester suitable for carbon, zinc, alkaline and rechargeable batteries. Clear LCD bar LED display. Three color meters indicate the power of the battery.
Checks the remaining power in the batteries. Durable plastic and stainless steel. Powered by 1.55V button cell battery (included and installed).

Specification:
Test range: C, AA, AAA, D, N, 9V (6F22) and 1.55V button cell
Power supply: 1.55V button-type battery (not included)

The complete set includes:

1 x Mini multi-battery tester

DIY Supplies: Electrical
Type: Household Battery Tester
Test range: C, AA, AAA, D, N, 9V 6F22 and 1.55V button cell
Size: 9x6x1.8cm
Power: 1pc*1.5V SR44 battery (not include)