The Draper BT-1 is a handy battery tester for home testing of a variety of alkaline (dry cell) batteries. With this pocket sized tool you can test AAA, AA, C, D, PP3 and 3R12 size batteries. This is ideal for fault testing electronic products, and ensuring batteries that have useful life are not disposed of Specifications Size 52 x 55 x 22mm Power: None required - uses output from battery being tested
