Low - quality proprietary chargers and the relatively short battery life of current smartwatches make for a frustrating situation when it comes time to charge your wearable. (androidcentral.com)
It has one annoying flaw, though: relatively short battery life means it may not be ready when you are. (pcmag.com)
Technical issues such as managing learning technology with short battery life were on one side. (gc-solutions.net)