BT138 Tester batteria veloce 1 secondo per celle ricaricabili 1,2V-4,8V e primarie
It can test 1, 2, 5, 7, 9 volt batteries, 1.5V, 3V button batteries, 16340, 14500, 10440 lithium batteries. 1 Battery tester. Check whether the battery is in good with the positive and negative poles of the tester.