Opendime documentation claims the sticks will last for decades
under normal usage conditions; however, Opendime hasn't been around for decades, so there's no way to know for sure.
Battery life is also extra long with about 2 months of life cycle and about 8000 page flip between charges
under normal usage conditions.
The NISMO watch will use a lithium battery and will be charged by micro-USB with a battery life of over seven days
under normal usage conditions.
Not exact matches
Battery temperature was well
under control with
normal to moderate
usage, however with heavy
usage (gaming / heavy apps) the battery temperature increase but still
under 45 degrees as per in my standard testing
conditions.