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.

The short answer

NOCO Boost X GBX55 and WOLFBOX MegaVolt24 score essentially the same (4.5 vs 4.5). Pick the one whose trade-offs match your priorities — the strengths and watch-outs below are where they actually differ.

Ranked #3 in Best Portable Jump Starters

NOCO Boost X GBX55

4.5

$169.43as of Jul 7

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 makes it the most charging-versatile NOCO unit here, topping off laptops and reaching jump-ready in five minutes. It is the pick for road-trippers who value fast recharge and device power over raw peak amps.

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

$169.43 · Check Price on Amazon Full review →

Ranked #2 in Best Portable Jump Starters

WOLFBOX MegaVolt24

4.5

$101.99as of Jul 7

The MegaVolt24 is the high-capacity value play: 4000A and a 24000mAh pack mean it can jump almost anything and still charge your devices for days. TechGearLab made it an Editors' Choice and Pro Tool Reviews scored it 9.4/10. The downsides are size and a younger brand reputation, but the lifetime warranty offsets the latter.

Strengths

— Massive 4000A peak output starts engines up to 10L gas and 10L diesel
— Large 24000mAh / 88.8Wh battery runs many jumps and acts as a serious power bank
— 65W USB-C Power Delivery recharges fast and tops off laptops and phones quickly

Watch-outs

— Larger and heavier than compact NOCO units, less glovebox-friendly
— 4000A is far more than most passenger cars will ever need
— Newer brand with a shorter long-term reliability track record than NOCO

$101.99 · Check Price on Amazon Full review →

How they stack up

NOCO Boost X GBX55

The charging-versatility pick.

WOLFBOX MegaVolt24

The power-and-capacity king of this group.

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 Type	UltraSafe lithium-ion	Lithium-ion
USB Output	60W USB-C PD (in/out)	65W USB-C PD + 10W USB-A
Weight	3.37 lb	3.2 lb
Voltage	12 volts	12 volts
Flashlight	Integrated LED	3-mode flash light

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