Pocket size battery tester
Works by sliding battery against a contact
LCD read out shows amount of life left in battery
Works with 10, 13, 312 and 675 hearing aid batteries
Hearing Aid Battery Battery Tester (Blue)
$8.50Price
Pocket size battery tester
Works by sliding battery against a contact
LCD read out shows amount of life left in battery
Works with 10, 13, 312 and 675 hearing aid batteries