LR44 batteries are a particular variety of button-cell battery. You've almost definitely seen them before; they're those little cap-shaped batteries that you find in small electronics like pocket ...

Powered by a 1.5v LR44 battery; Battery lasts up to 8 months; This VINCA DCLA-0I 605 Electronic digital Vernier Micrometer Caliper Measuring Tool is powered by a high-quality 1.5v LR44 battery.

Still, if you need LR44 batteries, the 15-pack of AmVolt LR44 coin batteries is an affordable option for watches, clocks, remotes, and even game controllers. More deals, reviews, and buying guides.

I just pop out the LR44 battery and place it into the case along with the calipers. While it is slightly inconvenient, my caliper use is infrequent.

Button batteries come in many sizes and power levels, and finding the one you need can be a pain. Depending on your device, these LR44 alternatives may work.