Typical price
$80-100
Key spec
1000A peak; up to 6.0L gas / 3.0L diesel; ~20 jumps per charge
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NOCO Boost GB40 1000A UltraSafe Lithium Jump Starter
Compact 1000A 12V lithium jump starter that lets a driver jump their own dead battery with no second car; the category benchmark.
Quick verdict
The default best-overall. Trusted for honest (not inflated) amp ratings, UltraSafe spark-proof + reverse-polarity protection, and a genuinely pocketable size — the unit everything else is compared against.
Who it's for
Any commuter, new driver, or owner of a typical sedan or small SUV.
Key features
- 1000A peak
- up to 6.0L gas
- 3.0L diesel
- ~20 jumps per charge
What to know before you buy
- Rated up to 6.0L gas / 3.0L diesel — fine for most cars but underpowered for big trucks/diesels (step up to the GB70).
How we picked this
Chosen from manufacturer specs and public research — no paid placement, and no hands-on testing we didn’t do, so there are no invented reviews or numbers here. Specs and prices vary by model and change over time, so confirm your exact one on the Amazon listing.
How we work →The Best Portable Jump Starters
A lithium jump pack is the one piece of car gear that pays for itself the first time your battery dies. Here's how to pick the right one — and which we'd buy.
Part of a kitThe Roadside Kit
The small set of gear that turns a stranding into an inconvenience — dead battery, low tire, dark shoulder.
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