caliper battery storage

These inexpensive Chinese electronic calipers are power hogs. Also they do not shut off when you press OFF. The only thing that turns off is the display.

Since the display uses virtually no power, about 99.9% of battery power is wasted while it sits on a shelf. Instead of lasting for a few years, the battery expires in a short amount of time.

I sometimes don't use this caliper for months, and got tired of discovering weak and dead batteries. I looked for an easy way to disconnect the batt