This Avapow car jump starter is 50% off at Walmart right now

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No matter how careful you are with your car maintenance, at some point in your life, there's a good chance you're going to have to deal with a dead battery. It's just one of those driving rites of passage that everyone will have to deal with sooner or later. More often than not, it'll happen at the worst possible moment. Luckily, in our modern age, this problem isn't nearly as annoying as it used to be thanks to portable car jump starters (and how-to videos), and sales like this one at Walmart, where you can grab a jump starter for less than $80. A portable jump starter like this lets you take care of the problem yourself instead of waiting around for a tow or a kind-hearted stranger with a set of jumper cables willing to give you a jump.

Avapow Car Jump Starter - $79.99 (50% off)