This Rayovac LCD battery tester with its bar display is handy
for use as a quick check. It also comes complete with a sliding
storage drawer for two spare batteries. The keychain allows you
to keep the tester on a keyring or to hang it on a bag.
Use this device to quickly determine approximately how much
power is left in the hearing aid batteries. The digital LCD
display uses a bar graph to how the charge state of the
battery.
Suitable for all common hearing aid battery sizes (batteries
not included).
Remove tab, wait for 1min for the battery to oxygenate and
place battery onto the testing surface with the positive (+) pole
upwards. Push and hold the battery against the contact for about
3 seconds. The bar graph display screen will show if the battery
is charged.
How to test:
Remove tab, wait for 1min for the battery to
oxygenate and place battery onto the testing surface with the
positive (+) pole upwards. Push and hold the battery against the
contact for about 3 seconds. The bar graph display screen will show
if the battery is charged.
