NOCO Boost GBX55 UltraSafe Jump Starter 1750A
- 1,750 amps, gas up to 7.5L, diesel up to 5.0L
- Up to 9 jump starts per charge
- 1.2 hour USB-C recharge, jump ready in 5 minutes
- 60-watt USB-C Power Delivery in and out
- 200-lumen LED, 7 modes
- 1-year warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact lithium jump starter with spark-proof safety, fast USB-C recharging and laptop capable power bank output. The engine limits stop short of large diesels, so big trucks need a stronger unit.
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ASIN: B08WZKRHZZModel: GBX55Category: Jump Starters
Overview
A high output lithium pack paired with a built in timer drives the NOCO Boost X, managing power so each start gets a strong burst. UltraSafe protection blocks sparks and reversed clamps, and the same USB-C port recharges the unit or powers your devices.
NOCO combines quick USB-C recharging and spark-proof safety in a jump pack that also charges laptops. Large diesel engines are beyond its stated range.
Who it's for
Daily drivers, motorcycle and boat owners who want a light safety net in the glovebox suit this pack. Fleet operators with large diesel engines need a higher rated starter.
Pros and cons
- Spark-proof, reverse polarity safe
- Fast USB-C recharge
- Quick boost from empty
- Laptop capable USB-C output
- Limited to mid size diesels
- Size and weight not listed
Performance notes
A timer between attempts lets the pack recover and limits heat, which is how it delivers several strong starts per charge. Cold temperatures and a deeply drained vehicle battery reduce how many jumps you get.
Specifications
| Brand | Noco |
|---|---|
| Model | GBX55 |
| Dimensions & fit | |
| Engine size | Gas up to 7.5L, diesel up to 5.0L |
| Capacity & performance | |
| Peak Output Current | 1,750 amps |
| Power & efficiency | |
| Battery Type | Lithium |
| USB c power | 60-watt, dual direction |
| Included components | |
| Included Components | GBX55 jump starter, heavy-duty clamps, USB-C cable, microfiber bag |
| Warranty & support | |
| Manufacturer Warranty Description | 1-year warranty |
| Other details | |
| Flashlight | 200 lumens, 7 modes |
| Safety features | UltraSafe 2.0 spark-proof, reverse polarity protection |
| Jump starts per charge | Up to 9 |
| Recharge time | 1.2 hours via USB-C PD |
Frequently asked questions
How fast does the NOCO Boost X recharge?
About 1.2 hours via USB-C Power Delivery, or enough for a jump start in 5 minutes.
What engines can the NOCO Boost X start?
Gas engines up to 7.5L and diesel engines up to 5.0L.
Can the NOCO Boost X charge a laptop?
Yes. Its 60-watt USB-C Power Delivery output can charge phones, tablets and laptops.