Every boat should have a good little “jump pack” on board, and this new line from Antigravity Batteries has evolved the technology a lot – making it an even more essential piece of kit. The Micro-Start XP-10 is a personal power supply that is small enough to fit in your hand and easily stow, yet can jump-start diesel vehicles up to 7.3L, as well as gas engines. Being out to sea when your battery dies is a miserable experience, and these little packs can get you underway in seconds.
Furthermore, they can be used to power most any electronic device, from laptops to phones, with two USB outlets. Pretty cool. And all that for $179.