Verdict
Head-to-head · Best Portable Jump Starters

NOCO Boost HD GB70 vs NOCO Boost X GBX55

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 HD GB70 comes out ahead by a narrow margin (4.8 vs 4.7). The gap is mostly about truck and large diesel owners — read the strengths below before deciding.

NOCO Boost HD GB70
Higher ratedRanked #2 in Best Portable Jump Starters
NOCO Boost HD GB70
$230

The Boost HD GB70 is the heavy-duty pick — NOCO's flagship for trucks and large diesels.

Strengths
  • 2000A peak — most powerful lithium jump starter
  • Built for 8L gas + 6L diesel
  • Heavy-duty USB power bank
Watch-outs
  • Larger + heavier than GB40
  • Most expensive consumer jump starter
  • Overkill for sedans
NOCO Boost X GBX55
Ranked #5 in Best Portable Jump Starters
NOCO Boost X GBX55
$170

The Boost X GBX55 is the premium NOCO pick — flagship with USB-C PD and 12.5V boost mode.

Strengths
  • 1750A peak
  • USB-C PD charging port
  • 12.5V mode for hard-to-start engines
Watch-outs
  • Pricier than GB40
  • Newer model — less long-term data
  • Larger footprint

How they stack up

NOCO Boost HD GB70

Most powerful. Built for trucks. Overkill for sedans.

NOCO Boost X GBX55

Premium NOCO. USB-C PD. 12.5V boost.

Specs side-by-side

SpecNOCO Boost HD GB70NOCO Boost X GBX55
Peak2000A1750A
Engine8L gas / 6L diesel
TypeHeavy-duty
BrandNOCONOCO
USB-CPD
Boost12.5V mode
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