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 two approaches to installing a battery disconnect. Electrical experts say either way is valid, and point out advantages/disadvantages to each approach. Install the disconnect switch on the ...

Painless Performance's battery disconnect switch is an easy way to protect your hot rod from battery drains and even theft. With our hot rods, gasoline gets all the glory, but t hey also need ...