Portable Battery Jump Starter

Grip 3 in 1 Jumpstart w/Air Compressor Price

This is awesome! One drawback, the directions are a little confusing. There are two sets, one in the little pamphlet, another in the form of stickers on the actual product. One says charge 12 hours before using, the other says 48 hours. One says, for jump-starting, connect directly to the battery, the other says connect as you would to another car (red cable to red terminal, black cable to a non-moving metal part of the engine or “ground”). I did it connecting to a ground and that worked. It also said let sit for five minutes before starting your engine, but I tried it right away and that also worked fine.  Read more...