The best jump starter brands

Quick picks

Tap any row to jump to the full write-up. Scoring criteria are published in full on our methodology page.

#	Product	Best for	Our read	Price
1	NOCO Boost Plus GB40 Best brand overall: NOCO	Most cars and small SUVs	Publishes watt-hours, liter ratings and IP rating for every pack	$99.95·View on Amazon→ #ad Affiliate link · Price as of October 17, 2026
2	DEWALT DXAEJ14 Power Station Best for one-box tool-brand buyers: DEWALT	One box that jumps and inflates	1,600 A plus a 120 PSI compressor, with a thin spec sheet	$169.00·View on Amazon→ #ad Affiliate link · Price as of October 17, 2026
3	STANLEY FATMAX J7CS Best budget brand: STANLEY	A cheap one-box jump-and-inflate station	700 A peak, V6 rating, and honest about being the cheap end	$89.99·View on Amazon→ #ad Affiliate link · Price as of October 17, 2026
4	GOOLOO GT4000S Highest claimed amps per dollar	Maximum claimed amps per dollar	Big claimed numbers, no comparable published rating	$99.99$139.99·View on Amazon→ #ad Affiliate link · Price as of October 17, 2026

Almost every brand comparison in this category ranks on peak amps, and peak amps is the least useful number on the box. It is a momentary figure measured under conditions nobody can reproduce at a roadside, no regulator defines how it must be stated, and nothing stops a seller quoting it generously. Peak amps versus cranking amps is the full explanation of why we weight it low.

So we rank brands on disclosure instead. A brand that publishes watt-hours tells you whether the pack is legal in a carry-on and how many starting attempts it holds. A brand that publishes a gas and diesel liter rating is making a statement about your engine you can check. A brand that publishes an ingress rating is telling you whether rain matters. A brand that publishes none of those is asking you to trust a single headline number — and that is the actual difference between the tiers in this market.

NOCO's Boost line is the reason this category has a common language. Every pack from the 500-amp GB20 to the 3,000-amp GB251 carries a published watt-hour figure, a published gas rating in liters, a published diesel rating in liters, an IP65 ingress rating and a stated warranty. That consistency is what lets a page like what size jump starter do I need exist at all: you can line up your engine against a number the manufacturer stands behind.

The practical range is narrow and well-spaced. The GB40 covers most cars at 6.0 liters of gas and 2.45 lb; the GB50 adds a liter of gas and 1.5 liters of diesel for a quarter of a pound; the GB70 is the smallest pack with a 6.0-liter diesel rating; the GBX45 is the travel pack at 2.16 lb with USB-C Power Delivery in both directions. The honest criticism is price: NOCO is rarely the cheapest way to get a given amp figure, and if the amp figure is all you care about, you can do better. We think the published rating is what you are paying for.

Both of these are worth understanding before you buy. The jump-and-inflate stations sold under the DEWALT and STANLEY names are made and supported by a licensee rather than by the power-tool company whose logo is on the case, and the spec sheets reflect that: the DXAEJ14 publishes 1,600 peak amps, a 120 PSI compressor with auto-stop, USB-A and USB-C output and an Alternator Check function, but no weight, no cable gauge, no battery capacity and no compressor duty cycle. The STANLEY J7CS publishes 700 peak and 350 instant starting amps, a V6 rating and a 120 PSI compressor.

That is not a reason to dismiss them. A one-box station that jumps, inflates and charges phones solves two roadside problems for one purchase, which is genuinely the right answer for a work truck or a second car that lives at home. Both are lead-acid, which has a real advantage — a hot trunk does not permanently cost a lead-acid battery capacity the way it costs a lithium pack — and a real cost, which is self-discharge. A lead-acid station you do not top up on a schedule is flat the day you need it. Jump starters with an air compressor covers the category properly, and the genuine DEWALT 20V inflator in the cordless inflator roundup is a different, better-documented product.

There is a large tier of lithium packs advertising peak-amp figures well above anything NOCO publishes, at a fraction of the price. Some of them are decent hardware. The problem is that you cannot tell which from the listing, because the claims are not stated the way a major brand states them: capacity is frequently quoted in milliamp-hours rather than watt-hours, which conveniently obscures whether the pack is legal in a carry-on, and the peak-amp figure has no published test behind it.

Our read: this tier is a reasonable second pack, a glovebox spare, or the right answer if the alternative is owning nothing. It is a poor choice as the only plan for a remote breakdown, because the two things you are buying in that scenario are a rating you can trust and a warranty you can actually use. If budget is the constraint, the best jump starters under 100 is the page that works the price bracket honestly, and are portable jump starters worth it is the prior question.

1. Best brand overall: NOCO

NOCO Boost Plus GB40

NOCO · Best for most cars and small suvs

The default answer for a four- or six-cylinder car: 1,000 peak amps, 24 watt-hours, and light enough that it actually stays in the trunk.

Published specifications

Peak amps

1,000 A source

Internal battery

24 Wh lithium-ion source

Gas engine rating

Up to 6.0 liters source

Diesel engine rating

Up to 3.0 liters source

Weight

2.45 lb (1.11 kg) source

Water resistance

IP65 source

Flashlight

100 lumens source

Warranty

1-year hassle-free source

What works

• +24 Wh sits far under the 100 Wh carry-on threshold, so flying with it needs no airline approval
• +2.45 lb and pocketable — the size that decides whether a tool is still in the trunk six months later
• +IP65 enclosure, so a wet shoulder in the rain is not a problem
• +Reverse-polarity protection means a backwards clamp does not spark

What does not

• −1,000 peak amps runs out of headroom above a 6.0 L gas engine
• −The 3.0 L diesel ceiling rules out most modern diesel pickups
• −24 Wh is a small reserve — it is a jump starter, not a power bank substitute

Skip it if

Not the one to buy if you drive a diesel pickup or a big V8. You would be at the edge of its rating on a cold morning, which is exactly when you want margin.

$99.95·View on Amazon→

#ad Affiliate link · Price as of October 17, 2026

Raw specifications: NOCO’s own page for the NOCO Boost Plus GB40.

2. Best for one-box tool-brand buyers: DEWALT

DEWALT DXAEJ14 Power Station

DEWALT · Best for one box that jumps and inflates

A lead-acid jump station with a built-in 120 PSI digital compressor and USB-A plus USB-C power — the combo box for people who would rather carry one heavy thing than two light ones.

Published specifications

Jump starting

1,600 peak amps, rated to start most 4-, 6- and 8-cylinder engines source

Air compressor

120 PSI digital, with AUTOSTOP source

USB output

USB-A 15 W and USB-C 25 W source

Battery types

12 V lead-acid: wet, gel and AGM source

Diagnostics

Alternator Check, plus reverse-polarity protection source

In the box

Clamps and cables, sports needle adapter source

What works

• +Jump starter, 120 PSI compressor and USB-A/USB-C power in a single case
• +1,600 peak amps is rated for 4-, 6- and 8-cylinder engines
• +Lead-acid chemistry is untroubled by living in a hot trunk
• +Alternator Check tells you whether the jump was the problem or the symptom

What does not

• −Heavy and bulky next to any lithium pack — the usual reason combo boxes end up in the garage
• −Lead-acid self-discharges, so it needs topping up on a schedule or it is flat when you need it
• −The built-in compressor is a convenience feature, not a match for a dedicated inflator's duty cycle
• −DEWALT's licensee publishes no weight, cable gauge, battery capacity or compressor duty cycle for this unit

Skip it if

Not for anyone whose priority is packed size or carry-on travel. If the tool has to fit a door pocket or a suitcase, buy a lithium pack and a separate inflator.

$169.00·View on Amazon→

#ad Affiliate link · Price as of October 17, 2026

3. Best budget brand: STANLEY

STANLEY FATMAX J7CS

STANLEY · Best for a cheap one-box jump-and-inflate station

A lead-acid station with a 120 PSI compressor and triple USB, rated to V6 — the budget end of the one-box category, and honest about being it.

Published specifications

Jump starting

700 peak amps / 350 instant starting amps, rated to V6 source

Air compressor

120 PSI, backlit gauge source

USB output

Triple USB ports source

Battery types

12 V AGM, gel and wet lead-acid source

AC

Built-in 120 V AC charger (charging input — not an AC power outlet) source

Light

LED, rotates 270 degrees source

What works

• +Jump starting, a 120 PSI compressor and USB charging in one case at the cheapest point in the category
• +Built-in AC charger, so there is no separate brick to lose
• +Reverse-polarity alarm, and metal clamps rather than the plastic ones at this price
• +Lead-acid, so a hot trunk does not permanently cost it capacity

What does not

• −700 peak / 350 instant amps and a V6 rating — this is not a truck or diesel tool
• −Lead-acid self-discharges, so it needs topping up on a schedule or it is flat when you need it
• −Heavier and bulkier than a lithium pack of equivalent starting ability

Skip it if

Not enough pack for a V8, a diesel or anything you rely on in the cold. STANLEY rates it to V6, and buying at the edge of a rating is how people end up stranded twice.

$89.99·View on Amazon→

#ad Affiliate link · Price as of October 17, 2026

Raw specifications: STANLEY’s own page for the STANLEY FATMAX J7CS.

4. Highest claimed amps per dollar

GOOLOO GT4000S

GOOLOO · Best for maximum claimed amps per dollar

A high-claimed-amp budget pack. Worth a look on price, but read the rating language closely — peak-amp claims in this tier are not stated the way the majors state them.

This manufacturer does not publish a full specification table for this model on its own site. Rather than repeat figures we cannot source, the assessment below is limited to what the product category and the retailer listing genuinely establish.

What works

• +One of the cheapest routes to a large-engine rating
• +Usually ships with a case, cables and a wall adapter in the box

What does not

• −Budget-tier peak-amp claims are not directly comparable to a major brand's published rating
• −Support and warranty handling is the usual weak point against NOCO or DEWALT
• −Capacity is often quoted in mAh rather than watt-hours, which obscures airline legality

Skip it if

Not the pick if the pack is your only plan for a remote breakdown. For that, pay for a published rating and a warranty you can actually use.

$99.99$139.9929% off·View on Amazon→

#ad Affiliate link · Price as of October 17, 2026