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 ...

A charged battery is a happy battery. Keeping your car's battery properly charged is essential to long life and reliability. When you drive, your car's charging system keeps your battery topped up.

Whether you're getting ready for a road trip or just popping to the store -- there's nothing worse than finding your car battery drained. Sure, you can always ask a neighbor for a jump to give your ...