USB recharger battery that can also jumpstart your car

I just on-line chatted with them. It’s rated at 5 V at 6000 mA-h, 22.2 Watt-hours, so that’s some discharge rate!
Not a terrible deal, but nothing super special, either. (Not sure how they get that math, unless they’re measuring at two different current loads.)

Starting cars, meh. What about a laser rifle… or a baby railgun… or just a wideband RF jammer…

I have seen a lithium battery designed for race cars. It was smaller and lighter than a motorcycle battery but started a 440 Chrysler a dozen times in a row (there’s a video on YouTube somewhere).

Interesting to note that lithium battery-powered hand tools like drills are actually more powerful than their plug-in predecessors.

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