Rolls BT301 Analog Meter Small 9V AA AAA C D Batteries Tester

The Rolls BT301 is a small yet highly accurate battery tester. It's perfect for a wide range of popular batteries. With an easy - to - read analog meter, it can test small 'coin' cells, 9V batteries, as well as AA, AAA, C, and D batteries. It's an essential tool that no tool box or gig bag should be without.

Using the Rolls BT301 battery tester is a breeze. First, identify the type of battery you want to test, whether it's a 9V, AA, AAA, C, D battery, or a small 'coin' cell. Then, carefully place the battery into the appropriate slot on the tester. The easy - to - read analog meter will quickly show you the battery's status. When using the tester, make sure the battery is properly inserted to get an accurate reading. Avoid dropping or subjecting the tester to rough handling as it may damage the internal components. To keep it in good condition, store it in a dry place. Periodically check the contacts inside the tester for any signs of dirt or corrosion. If you notice any, gently clean them with a dry cloth. This will ensure the tester continues to work effectively for a long time.