Battery tester for AA-AAA-C-D-9V (PP3)-button cell

The Alecto BTT2 is a universal battery tester that allows you to see the status of your battery's capacity at a glance on the digital display. The BTT2 is easy to use and works with all commonly used batteries, such as: • AA • AAA • C • D • 9V block Place the battery correctly between the + and - sides of the battery tester (a 9V battery goes in the bottom). The holders are flexible and can accommodate the sizes of the most common batteries. With proper placement of the battery, you can directly read the battery's status on the tester. There are 4 different values clearly indicated on the tester. The Alecto BTT2 Battery Tester is a must-have for every household. What's in the box? • BTT2 battery tester