Walmart is selling a $130 jump starter box for just $39

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You can never be too careful. That age-old cliché rings especially true for drivers. Whether you’re commuting every day to work or embarking on weekend road trips across state lines, storing a jump starter in your roadside emergency kit can be the difference between getting stranded and bringing a dead battery back to life, at least for a little while. Numerous Walmart shoppers have called this Gooloo 1,400-amp jump starter box a “life saver,” and it’s currently on sale for $39—a massive savings of 70 percent.

Gooloo Jump Starter Box (was $129.99) at Walmart

When the 12-volt battery dies in most vehicles, the starter lacks a power source to crank the engine and run the alternator, which keeps your electrical systems alive. This Gooloo-branded gadget is itself a battery with a pair of clamps included in the box. When connected to the terminals on your depleted car battery, the jumper box provides temporary power for the starter to at least get your motor running.

Unlike the analog jumper cable sets of yesteryear, the jumper box is rechargeable. Using nothing more than a USB-C cable, you can jump-start your car as many as 30 times or keep it juiced in your cargo tray for up to a year before charging it again. You’ll also have access to two onboard USB Type-A outputs, one of which can quick-charge, for powering up your phone or other devices during your travels. A 400-lumen light with three flash modes makes it possible to see in the dark or signal to others that you’re in distress.

“My van wouldn't start, and when AAA came out, they had something similar. This little thing started my van TWICE before I had to charge it,” said one shopper. “Now I have a new battery but I'm so happy to have it as a backup just in case. Would 10/10 recommend, especially for women like me that go on long trips alone.”

“My car battery was completely dead. I had tried a trickle charge but that didn't work. One touch of this and my car that had been sitting for a year and a half started right up!” exclaimed another shopper. “It did drain the charger, but it charged back within 10 minutes! My brother commented, ‘This thing is slick!’. In my opinion, this is worth every penny and it was such a great deal. I haven't tried using it to charge my cell phone yet, I really just got it for my car battery. I will be keeping this in my car for sure!”

With a 4.6-star rating from more than 400 reviews, plenty of satisfied customers agree that the Gooloo jump starter was well worth the price even before it went on sale. At $39, it’s a no-brainer.