Best Portable Jump Starters (2026): Cheap Ones That Actually Start a Dead Car
By @pickwiseA portable jump starter is a battery pack with clamps: it starts a dead car without jumper cables or a second car. These picks come from hands-on tests by Car and Driver, TechGearLab and Project Farm, which jumped dead batteries in V6s, trucks and beaters. Prices checked October 4, 2026.
Quick picks: the WOLFBOX MegaVolt24 is the best overall, the GOOLOO GP2000 the best value, and the Strauto the cheapest one that passed a real test.
How to choose: match the pack to your engine rather than the peak-amp number on the box, which isn't comparable between brands. The NOCO GB40 is rated for gas engines up to 6 liters, the GOOLOO GP2000 up to 8 and the WOLFBOX up to 10. For a V8 truck or a diesel, get the GOOLOO GT6000. The small lithium packs fit in a glovebox; the Stanley is a heavier lead-acid unit meant for the garage.
Keep it charged: a pack that's flat when you need it is no help. Top it up every few months. The GP2000 is rated to hold a charge for up to two years.
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- 1
WOLFBOX MegaVolt24 (MV24) 4000A Jump Starter
Best overall. In TechGearLab's tests it started a V6 with a completely dead battery three times in a row and used only about 3% of its charge per start, the best result of any pack they tried. The 88.8 Wh battery covers gas engines up to 10 liters, and it doubles as a 65W USB-C power bank for a laptop or phone. Worth the extra money if you want one pack that never leaves you guessing.
- 2
GOOLOO GP2000 Jump Starter
Best value. TechGearLab named it the best bang for the buck after it delivered eight boosts in a row on a 2.5-liter engine before needing a recharge. It weighs about 1.2 pounds, holds its charge for up to two years in the glovebox, and handles gas engines up to 8 liters. The right pick for most sedans and small SUVs.
- 3
NOCO Boost Plus GB40
The most trusted compact pack, with more than 129,000 Amazon ratings. TechGearLab started a 4-liter V6 with a dead battery three times in a row with it at 33°F. The catch: it's rated for gas engines up to 6 liters, the cables are short, and Car and Driver saw one hard jump drain it from full to 25%. Best for small and midsize cars where you want the name brand.
- 4
Strauto Emergency Jump Starter
The cheapest pack that passed a real test: Car and Driver's best budget pick. At under 1.5 pounds it's the lightest here, with long leads and a good storage bag. It's rated at 1,200 peak amps, so it's for 4-cylinder cars and small engines, not trucks. The clamps are small.
- 5
Clore Automotive Jump-N-Carry JNC325
Car and Driver's best overall, from the company that makes the jump packs tow trucks use. Its 24-inch cables are the longest of the compact packs, which matters when the battery sits deep in the engine bay, and it's simple to use: two buttons, power and override. It needed the override button to start their dead test car. Pricier than most.
- 6
AstroAI S8 Ultra Jump Starter
A strong pack for its size and price. Car and Driver got their dead test car running with it once they switched on Boost mode. It comes with a storage bag, though the clamps felt less sturdy than the others. A reasonable middle option if the GOOLOO GP2000 is out of stock.
- 7
GOOLOO GT6000 Jump Starter
For V8 trucks, big SUVs and diesels. Car and Driver picked it as the best for large engines: solid build, big clamps that are easy to use with gloves on, and it doubles as a power bank. The display can be hard to read in bright light.
- 8
Stanley J5C09D Power Station with Air Compressor
A jump starter and 120 PSI tire inflator in one, for keeping in the garage or the back of a truck. It started Car and Driver's dead test car without complaint, and the control panel and adjustable light are easy to use. It's a heavy lead-acid unit, not a pocket pack, and charging it needs a separate extension cord.
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