Amazon has this 1500 amp battery jump starter on sale

Keeping one in your car's trunk means you don't have to rely on a passing traveler with a pair of jumper cables.
Reviewers call this car-saving gadget 'sheer awesomeness' — with 13,000+ five-star ratings, fans are charged up over this ...
Beginning with the A58 portable jump starter, its 4,000-amp peak current is enough to start any gas or diesel vehicle housing up to a 10-liter engine and a 12-volt battery — including hybrids.
You can’t always count on the kindness of strangers. Quite a few factors influence the selection of jump-starters on our list. However, one thing that’s been left off the table is commercial ...