Product description:

Power supply: No need for any power supply.
Measurable battery types: various button batteries, AA, AAA, C, D, 9V square batteries, etc.
Function: It can measure whether the battery is full or not, and indicate the color of the indicator

Indicator as follows:

Red (RE-PLACE replacement or RE-CHARGE charging): If the indicator pin points to this block, the battery under test needs to be replaced or recharged, that is, the battery is basically unusable;
yellow (LOW): battery power is low , But some appliances can also use
green (GOOD): the battery is full

How to use:
1. Connect the 9V battery directly to the two test holes on the side of the tester;
2. For other batteries please open the test arm at the top of the tester with your hand and insert the battery .


Testable batteries:  AA, AAA, C, D, 9V batteries, button mercury batteries.
*Material: ABS.
*Colour: Black.
*Weight: 49g/piece.

*This "battery measuring appliance" can definitely connect you with the battery, thoroughly understand the remaining battery power, and support the commonly used 1.5V AA, AAA, C, D, 9V square batteries, button mercury batteries

No external power supply is needed for the ready-to-use test. It is compact and easy to carry. The built-in power indicator can display the strength of the power, allowing you to know the battery status absolutely saving money, time and environmental protection.

*Let you connect with the battery, save money, time and environmental protection.
*Small size, no need for external power supply when used and tested.
*Support 5 commonly used battery specifications.
*The built-in pointer can display the power level, ensuring simple and easy to understand.