The Best 4Aggregated review·10 sources·updated September 27, 2026·checked September 12, 2026

Best Portable Jump Starters

Top 4 portable jump starters ranked by aggregate score from 10 published reviews.

This guide aggregates 10 published reviews across 4 products; the thinnest-sourced pick rests on 1. How we rank.

Verdict is reader-supported. As an Amazon Associate we earn from qualifying purchases. Some links on this page are affiliate links — if you click through and buy, we may earn a small commission at no extra cost to you. Our ratings are sourced from independent publications, not sponsors.

Quick answer

NOCO Boost Plus GB40 is our top pick for portable jump starters — an averaged 4.6/5 across 4 published reviews. Runner-up: WOLFBOX MegaVolt24 (~$178).

Read the NOCO Boost Plus GB40 review →Buy at walmart.com

At a glance

Tap any product for the full review

#	Product	Rating	Price	Best for
1	NOCO Boost Plus GB40Top Score	4.6 4 sources2 derived	—	everyday drivers of sedans, SUVs and small trucks who want a proven, glovebox-sized jump starter near $100	Buy at walmart.com
2	WOLFBOX MegaVolt24	4.6 3 sources2 derived	$178	buyers who want one unit to jump any engine and serve as a high-capacity emergency power bank	$178 · Buy at wolfbox.com
3	NOCO Boost HD GB70	4.5 1 source	$29.95	owners of large gas trucks, V8s and diesel engines who want maximum cranking reserve and rugged cables	$29.95 · Check Price on Amazon
4	GOOLOO GP2000	3.5 2 sourcesall derived	$49.96	budget-minded drivers who want a 2000A backup jump starter for under $100	$49.96 · Check Price on Amazon

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

At a glance4 products ▾

1NOCO Boost Plus GB40Top Score

4.6

4 sources2 derived

Best for: everyday drivers of sedans, SUVs and small trucks who want a proven, glovebox-sized jump starter near $100

Buy at walmart.com

2WOLFBOX MegaVolt24

4.6

3 sources2 derived

$178Best for: buyers who want one unit to jump any engine and serve as a high-capacity emergency power bank

$178 · Buy at wolfbox.com

3NOCO Boost HD GB70

4.5

1 source

$29.95Best for: owners of large gas trucks, V8s and diesel engines who want maximum cranking reserve and rugged cables

$29.95 · Check Price on Amazon

4GOOLOO GP2000

3.5

2 sourcesall derived

$49.96Best for: budget-minded drivers who want a 2000A backup jump starter for under $100

$49.96 · Check Price on Amazon

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

Reviews aggregated from

ProtoolreviewsAutomoblogTechGearLabScotsmanCnnunderscoredMensjournalCarbatterynerd

The full ranking

How we rank →

#1 · Top Score

Best for: everyday drivers of sedans, SUVs and small trucks who want a proven, glovebox-sized jump starter near $100

NOCO Boost Plus GB40

4.6

4 sources2 derived

For most drivers the Boost Plus GB40 is the default answer: 1000A covers the engines sitting in an average driveway, the price stays near $100, and NOCO's safety engineering has the longest track record in the category. Move up to the GB70 or GBX55 only if you run a large diesel or want USB-C fast charging.

Strengths

— 1000A peak output starts virtually any passenger car, SUV or light truck (up to 6.0L gas / 3.0L diesel)
— Tiny 8-inch, 2.4 lb body fits a glovebox yet holds roughly 20 jumps per charge

Watch-outs

— Underpowered for large V8 diesels and big trucks that need the GB70 or GBX55
— Slow micro-USB recharge with no USB-C input on this generation

▾Why it's ranked here

Strengths

— 1000A peak output starts virtually any passenger car, SUV or light truck (up to 6.0L gas / 3.0L diesel)
— Tiny 8-inch, 2.4 lb body fits a glovebox yet holds roughly 20 jumps per charge

Watch-outs

— Underpowered for large V8 diesels and big trucks that need the GB70 or GBX55
— Slow micro-USB recharge with no USB-C input on this generation

Buy at walmart.com Full review →vs. WOLFBOX MegaVolt24 →

Best for: buyers who want one unit to jump any engine and serve as a high-capacity emergency power bank

WOLFBOX MegaVolt24

4.6

3 sources2 derived$178as of Sep 25

The MegaVolt24 is the high-capacity value play: 4000A and a 24000mAh pack, enough to jump almost anything and still keep your devices charged for days. TechGearLab made it an Editors' Choice and Pro Tool Reviews scored it 9.4/10. Size counts against it, as does a younger brand reputation, though the lifetime warranty takes the edge off the latter.

Strengths

— 24000mAh capacity charges phones multiple times
— 1200A peak current handles large engines

Watch-outs

— Heavier than slim competitor models
— Price higher than entry-level options

▾Why it's ranked here

Strengths

— 24000mAh capacity charges phones multiple times
— 1200A peak current handles large engines

Watch-outs

— Heavier than slim competitor models
— Price higher than entry-level options

$178 · Buy at wolfbox.com Full review →vs. NOCO Boost Plus GB40 →

Best for: owners of large gas trucks, V8s and diesel engines who want maximum cranking reserve and rugged cables

NOCO Boost HD GB70

4.5

1 source$29.95as of Sep 25

Big-engine and diesel owners want the Boost HD GB70. Its 2000A reliably cranks 8.0L gas and 6.0L diesel motors, the 40-jump reserve means you can go months without thinking about it, and the rugged cables shrug off shop and trail abuse. Weight, bulk and a dated micro-USB charging port are the costs.

Strengths

— 2000A peak output covers 8.0L gas and 6.0L diesel engines, including big trucks and SUVs
— Up to 40 jumps per charge so it rarely needs a top-up in the trunk

Watch-outs

— Heavy at roughly 5 lb and physically larger than the GB40 or GBX55
— No USB-C input or output, so recharging is slower than the GBX55

▾Why it's ranked here

Strengths

— 2000A peak output covers 8.0L gas and 6.0L diesel engines, including big trucks and SUVs
— Up to 40 jumps per charge so it rarely needs a top-up in the trunk

Watch-outs

— Heavy at roughly 5 lb and physically larger than the GB40 or GBX55
— No USB-C input or output, so recharging is slower than the GBX55

$29.95 · Check Price on Amazon Full review →vs. NOCO Boost Plus GB40 →

Best for: budget-minded drivers who want a 2000A backup jump starter for under $100

GOOLOO GP2000

3.5

2 sourcesall derived$49.96as of Sep 25

On paper, 2000A peak and 8.0L gas coverage for around $80 is hard to beat, and that makes the GP2000 the budget value pick. TechGearLab named it Best Buy, and testers confirmed strong real-world boosts on smaller engines. Owner reliability reports are uneven and the reserve is weaker, so treat it as an affordable backup rather than a heavy-duty daily tool.

Strengths

— 2000A peak output for the price of most 1000A units
— Rated for up to 8.0L gas and 6.0L diesel engines despite the budget cost, per CarBatteryNerd

Watch-outs

— Less effective on the largest truck batteries than its amp rating suggests
— Polarized owner reviews, with some early-failure and charging complaints

▾Why it's ranked here

Strengths

— 2000A peak output for the price of most 1000A units
— Rated for up to 8.0L gas and 6.0L diesel engines despite the budget cost, per CarBatteryNerd

Watch-outs

— Less effective on the largest truck batteries than its amp rating suggests
— Polarized owner reviews, with some early-failure and charging complaints

$49.96 · Check Price on Amazon Full review →vs. NOCO Boost Plus GB40 →

Reviews aggregated from

ProtoolreviewsAutomoblogTechGearLabScotsmanCnnunderscoredMensjournalCarbatterynerd

Spec comparison

4 products

Spec	NOCO Boost Plus GB40	WOLFBOX MegaVolt24	NOCO Boost HD GB70	GOOLOO GP2000
Peak Amps	1000A	4000A	2000A	2000A
Engine Capacity	6.0L gas / 3.0L diesel	10L gas / 10L diesel	8.0L gas / 6.0L diesel	8.0L gas / 6.0L diesel
Battery	UltraSafe lithium-ion	—	UltraSafe lithium-ion	Lithium-ion
USB Output	USB-A 2.1A	65W USB-C PD + 10W USB-A	USB-A 2.1A	15W USB-C input/output (no USB-A ports)
Weight	2.4 lb	3.2 lb	5.0 lb	1.2 lb
Jumps Per Charge	~20	—	Up to 40	—
Flashlight	7-mode LED	—	400 lumens, 7 modes	400 lumens, 3 modes
Warranty	1-year	Lifetime	1-year	—
Voltage	12 volts	12 volts	12 volts	12 volts
Dimensions	4.61"D x 8.19"W x 4.21"H	1.5"D x 3.86"W x 9.33"H	7.4"D x 3.7"W x 12.6"H	1.5"D x 7.4"W x 1.5"H

Spec	NOCO Boost Plus GB40	WOLFBOX MegaVolt24
Peak Amps	1000A	4000A
Engine Capacity	6.0L gas / 3.0L diesel	10L gas / 10L diesel
Battery	UltraSafe lithium-ion	—
USB Output	USB-A 2.1A	65W USB-C PD + 10W USB-A
Weight	2.4 lb	3.2 lb
Jumps Per Charge	~20	—
Flashlight	7-mode LED	—
Warranty	1-year	Lifetime
Voltage	12 volts	12 volts
Dimensions	4.61"D x 8.19"W x 4.21"H	1.5"D x 3.86"W x 9.33"H

Frequently asked questions

Which portable jump starter should I buy?

NOCO Boost Plus GB40 holds the top score for portable jump starters — 4.6/5 averaged from 3 published reviews. For most drivers the Boost Plus GB40 is the default answer: 1000A covers the engines sitting in an average driveway, the price stays near $100, and NOCO's safety engineering has the longest track record in the category. Move up to the GB70 or GBX55 only if you run a large diesel or want USB-C fast charging.

How current is this ranking?

This guide was last re-checked in September 2026. Prices, links, and source ratings are re-verified on a rolling basis, and the ranking updates when the underlying scores change.