Autoblog and Yahoo may earn commission from links in this article.Is there anything worse than climbing into the driver's seat of your car, putting your key into the ignition to start it, and realizing that your battery is dead? Actually, yes — you could have all this happen and then suddenly realize that you're sitting in the middle of an empty parking lot with no one around to give you a jump-start and send you on your way.You can always call an emergency roadside service when this happens and have them send someone out to jump-start your vehicle. But why do that when you could carry around the Gooloo GE2000 Car Battery Jump Starter in your trunk and take care of it yourself? It provides a quick, easy way to breathe life back into your battery — and if you purchase one now, it can do it for less than what a service would likely charge you to respond to your emergency call. It usually retails for $150 at Walmart, but as part of a flash deal, it's currently on sale for $45.Gooloo GE2000 Car Battery Jump Starter, $45 (was $150) at WalmartGooloo GE2000 Car Battery Jump Starter, $45 (was $150) at WalmartCheck PriceEquipped with Gooloo's patented Jumpcore technology, this jump starter works with most vehicles that have 8-liter gasoline and 6-liter diesel engines. It can deliver a peak current of up to 2000A, which can revitalize a dead car battery in an instant. It also features a built-in boost function that's designed to give your battery a little extra oomph when it's deader than dead, virtually ensuring that you won't ever get stranded due to a deeply discharged battery.AdvertisementAdvertisementSome people might not feel comfortable hooking up this device to their car battery for the first time, especially if they don't have much experience jumping vehicles in general. Thankfully, it offers a full suite of safety features to put your mind at ease. From spark-proof and reverse-polarity protection to short circuit and overcurrent protection, they guarantee that you won't cause any major (or even minor!) complications if you accidentally connect the device improperly or fail to follow any aspect of the instructions.Related: Walmart's 'Quality' Jump Starter Is on Sale for 69% Off, and It's a 'Must-Have in Every Car'For all of these reasons, reviewers agree this device is "something every car should have in it." They also praise its power and, of course, its convenience."This thing is amazing!" one reviewer wrote. "You'll never have to wait on family or friends for a jump again."AdvertisementAdvertisement"I was amazed at how this small device could boost and crank my car with a fully dead battery," another shopper wrote. "It's totally worth buying."Deals We're LovingSoulor Car Battery Jump Starter and Tire Inflator, $35 (was $47) at WalmartRehottop Car Battery Jump Starter and Tire Inflator, $47 (was $100) at WalmartAvapow Car Battery Jump Starter and Tire Inflator, $54 (was $110) at WalmartThe Gooloo GE2000 Car Battery Jump Starter is 70% off at Walmart. Avoid getting stranded in a car with a dead battery this summer by purchasing one today.This story was originally published by Autoblog on Jul 19, 2026, where it first appeared in the Deals section. Add Autoblog as a Preferred Source by clicking here.