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 ...

There are a number of app-based boat security and monitoring products today from well-known brands such as Garmin, Gost, Siren Marine, and one newcomer, the Skyhawk Oversea. Oversea is unique in that ...