NOCO Boost X GBX55

Last updated: October 22, 2026

NOCO Boost X GBX55
3.3/5#9 of 15 in trucks and v8s jump starters
3.3

For owners of V8 cars, half-ton pickups and mid-size SUVs who want a light pack that recharges fast over USB-C. It is the sweet spot of NOCO’s Boost X line for most drivers.

  • 7.5 L gas, 5 L dieselEngines
  • 46 WhBattery
  • YesOverride
  • 2.6 lbWeight
  • 1 yearWarranty
Check price at Amazon$174.95

Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Starts most V8 cars and trucks up to 7.5 L
  • Recharges in a little over an hour on a 60 W USB-C charger
  • Can force a jump on a completely dead battery with manual override
  • Charges a laptop at up to 60 W
Cons
  • Costs about $50 more than the GBX45
  • Rated only to -4 °F, so it may struggle in deep cold
  • One-year warranty is short

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.

Specifications

Model numberGBX55
Starting
Rated engines7.5 L gas, 5 L diesel
Peak amps (maker)1,750 A
Voltage12 V
Manual overrideYes
Lowest operating temperature-4 °F
Battery and charging
ChemistryLithium-ion
Capacity46 Wh
USB-C input60 W
Recharge time1.2 hours
USB outputsUSB-C 60 W, USB-A 10 W
Build
FlashlightYes
Air compressorNo
Water resistanceIP65
Dimensions7.66 x 4.9 x 2.5 in
Weight2.6 lb
Warranty1 year
Released2021-11

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