A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

These days Bluetooth-based gadgets are everywhere, including for car and solar batteries. After connecting them up to the battery, you download the accompanying app on your smartphone, open it up and ...

One of the few features I’ve always wanted Google to borrow from Apple’s iOS had been the native ability to track the battery levels of Bluetooth devices. While some OEMs have begun to include this in ...