Power is courtesy of a small lithium-ion pouch cell, with charging handled by a TP4056 battery management IC. It’s a simple smartwatch, but nonetheless one that teaches all kinds of useful skills in embedded development and design. It’s also funny to think how simple it is to build. ...
Power-saving mode and always-on-display features with the biggest battery (380 mAh) for a watch of its size make the Gear S3 one of the longest-lasting in its category. The bigger battery seems to be the main reason why the Frontier had to be thick as well as wide. But, if Samsung...