One option is keeping a portable jump-starter—essentially a paperback-sized backup battery—in your car. Jump-starters designed to tolerate 140-degree temperatures can be bought for under $100.

When stranded with a dead car battery, you can get going again with a jump-start from another vehicle. But can diesel trucks ...

Revving an engine while jump-starting only increases voltage by a minuscule amount and likely won't affect the jump-start ...

We've tested and reviewed products since 1936. Read CR's review of the Revo Multi-Function 12V Car Battery Jump Starter jump starter to find out if it's worth it.

YESPER Battery Jump Starter—4120A Peak Portable Car Starter The YESPER 4120A Peak Portable Car Starter combines a jump starter and USB power station into one versatile device. With 4,120 peak ...

To give yourself peace of mind, grab this Avapow Car Battery Jump Starter Pack from Walmart for $100. With an original price of $320, it’s a deal you don’t want to miss out on.

Step 4: Start your engine. Turn the good car’s engine on and let it idle for 2 to 3 minutes so the dead battery car can charge. Then attempt to start the dead battery car.

The Avapow W68 car battery jump starter is a must-have accessory for car owners. It's originally $320, but a huge discount from Walmart drops its price to $133.

Walmart has slashed $231 off this ultra-powerful 6,000 amp AVAPOW car battery jump starter in an unbelievable deal you don't want to miss out on. Shop it while you can.

The Jump-N-Carry (JNC325) is a multi-tool that combines jump-starting power with features like USB outlets and an LED work light. With 450 amps of starting power, this portable little device can ...