zvd digital battery tester, universal battery tester, battery tester, for aa, aaa, c, d, pp3, 9v, 1.5v, button batteries works without battery

small and portable small aa aa battery tester bt 168d , compact and lightweight, easy to carry. test different types of batteries the battery tester is suitable for household batteries standard and rechargeable. aa, aaa, c, d, 1.5v, 9v, coin cell battery tester. battery free operation easy to read,