Here’s a use for lithium-ion batteries that makes sense – economically as well as functionally: It’s a battery pack for jump-starting your car (as opposed to using a battery pack to run your car).
Because it doesn’t need to run your car, this one’s small and light – about the size of a cell phone and not much heavier. It fits easily in your pocket or purse and even more so in your glovebox.
Unlike the electric car’s bulky and heavy battery pack – which also costs a fortune. This small and light one only costs about $35 bucks.
It packs a 400 amp punch, too – enough to jump-start an old muscle car’s huge V8 (guinea pig for testing purposes, my ’76 Trans-Am) so it should be able to deal with anything new.
The other cool thing about this rig is that you can use it as a portable power pack for computers and other personal electronics, such as a laptop. I backpack a lot and – being a workaholic – take mine with me into the Woods. But the laptop’s battery is only good for about six hours or so, depending. With this unit packed along, I get triple the “range” out of my computer – which is much better than you get out of a Tesla!
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