Head-to-head · Best Portable Jump Starters

NOCO Boost X GBX55 vs WOLFBOX MegaVolt24

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

NOCO Boost X GBX55 comes out ahead by a clear margin (4.9 vs 4.6). The gap is mostly about road-trippers and campers who want fast USB-C recharge and the ability to charge laptops as well as jump cars — read the strengths below before deciding.

Higher ratedRanked #1 in Best Portable Jump Starters

NOCO Boost X GBX55

4.9

2 sourcesall derived$174.95as of Aug 1

The Boost X GBX55 is NOCO's USB-C generation. 1750A handles most large gas and mid-size diesel engines, and the 60W USB-C port does more charging work than any other NOCO unit here, topping off laptops and getting the pack itself jump-ready in five minutes. Road-trippers who care about fast recharge and device power more than raw peak amps should start here.

Strengths

— 1750A peak starts up to 7.5L gas and 5.0L diesel engines
— 60W USB-C Power Delivery charges in and out, and reaches jump-ready in five minutes of charge
— Full recharge in just 1.2 hours, far faster than micro-USB NOCO units

Watch-outs

— Mixed user reports of battery longevity and a few early failures
— Costs about the same as the more powerful WOLFBOX MegaVolt24
— Clamp cable length is on the shorter side for some engine bays

$174.95 · Check Price on Amazon Full review →

Ranked #3 in Best Portable Jump Starters

WOLFBOX MegaVolt24

4.6

3 sources2 derived$178as of Aug 1

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
— USB-C 65W PD for laptops and devices

Watch-outs

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

$178 · Buy at wolfbox.com Full review →

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.

How they stack up

NOCO Boost X GBX55

The charging-versatility pick. Its 60W USB-C recharge and device-power output beat the micro-USB NOCO Boost Plus GB40 and NOCO Boost HD GB70, and match the WOLFBOX MegaVolt24, while its 1750A peak sits between the GB40 and GB70 and above the GOOLOO GP2000 on engine range.

WOLFBOX MegaVolt24

The power-and-capacity king of this group. Its peak output and battery pack dwarf the NOCO Boost HD GB70, the NOCO Boost X GBX55, the NOCO Boost Plus GB40 and the GOOLOO GP2000, and only the GBX55 matches its USB-C fast charging convenience.

Specs side-by-side

Spec	NOCO Boost X GBX55	WOLFBOX MegaVolt24
Peak Amps	1750A	4000A
Engine Capacity	7.5L gas / 5.0L diesel	10L gas / 10L diesel
Battery	UltraSafe lithium-ion	—
USB Output	60W USB-C PD (in/out)	65W USB-C PD + 10W USB-A
Recharge Time	1.2 hours	—
Weight	3.37 lb	3.2 lb
Flashlight	Integrated LED	—
Warranty	1-year	Lifetime
Voltage	12 volts	12 volts
Dimensions	6.34"D x 3.94"W x 9.13"H	1.5"D x 3.86"W x 9.33"H
IP Rating	—	IP64
Display	—	LED capacity readout

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