NOCO Boost GB50 vs NOCO Boost X GBX55

Last updated: October 30, 2026

The NOCO Boost X GBX55 rates 3.3 among trucks and v8s jump starters; the NOCO Boost GB50 rates 2.6 among cars and suvs ones. The NOCO Boost GB50 costs $25 less ($149.95 vs $174.95).

NOCO Boost GB50 vs NOCO Boost X GBX55

Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different engine size classes (trucks and v8s and cars and suvs), and each is scored against the reference points for its own class, so a rating says how well each does among its own engine size peers. How we rank explains each factor.

Factor weightNOCO Boost X GBX55NOCO Boost GB50
Overall rating3.3/52.6/5
Value 40%40 $174.95 for its size0 $149.95 for its size
Features 35%90 manual override, rated to -4 °F, USB-C charging, IP6577 manual override, rated to -4 °F, USB-C charging, IP65
Capacity 15%27 46 Wh battery38 35 Wh battery
Warranty 10%0 1-year warranty0 1-year warranty

Specifications

NOCO Boost X GBX55NOCO Boost GB50
Starting
Rated engines7.5 L gas, 5 L diesel7 L gas, 4.5 L diesel
Peak amps (maker)1,750 A1,500 A
Voltage12 V12 V
Manual overrideYesYes
Lowest operating temperature-4 °F-4 °F
Battery and charging
ChemistryLithium-ionLithium-ion
Capacity46 Wh35 Wh
USB-C input60 W10.5 W
Recharge time1.2 hours5 hours
USB outputsUSB-C 60 W, USB-A 10 WUSB 10.5 W
Build
FlashlightYesYes
Air compressorNoNo
Water resistanceIP65IP65
Dimensions7.66 x 4.9 x 2.5 in8.58 x 3.42 x 3.16 in
Weight2.6 lb2.7 lb
Warranty1 year1 year
Released2021-112019-04

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