Quick Summary
The NOCO Boost X GBX55 is a portable lithium jump starter power pack and power bank for 12V vehicle battery support. It is rated at 1750 amps and is described as suitable for up to 7.5 litre petrol and 5.0 litre diesel engines. It also includes USB C charging support for recharging and powering compatible devices.
Who It Is Best For
This is a practical choice for drivers who want a compact jump starter for roadside confidence, as well as a power bank they can use for everyday USB C charging. It will suit buyers looking for a multi purpose unit that can support a range of vehicle types and also charge personal devices.
What To Know Before You Buy
The GBX55 is presented as a versatile jump starter, but the key fit point is the engine size guidance and 12V use. Check your vehicle details before ordering so you know it suits the engine type you plan to use it with.
Pros: Portable, multi use and designed with USB C power delivery for charging and recharging.
Cons: Best to check vehicle suitability carefully before buying, especially if you need it for a specific engine size or vehicle type.
Common Buyer Questions
What is the NOCO Boost X GBX55?
It is a portable lithium jump starter power pack and power bank for 12V vehicles.
Can it charge devices as well as jump start a vehicle?
Yes. It includes USB C power delivery and is described as able to power compatible devices such as phones, tablets, laptops and wearables.
What engine sizes is it described as suitable for?
It is described as suitable for up to 7.5 litre petrol and 5.0 litre diesel engines.
Does it need checking against my vehicle first?
Yes. It is sensible to check your vehicle type and engine size before ordering.
What comes with the pack?
The pack is described as including jumper cable clamps, a USB C charging cable and a microfiber storage bag.
Key Details
| Detail | What it means in use |
|---|---|
| Model | GBX55 |
| Product type | Portable lithium jump starter power pack and power bank |
| Rated output | 1750 amps |
| Vehicle system | 12V vehicle use |
| Engine guidance | Up to 7.5 litre petrol and 5.0 litre diesel engines |
| Charging support | USB C technology with power delivery |
| Included items | Heavy duty jumper cable clamps, USB C charging cable and microfiber storage bag |
Final Buying View
The NOCO Boost X GBX55 is a well rounded jump starter and power bank for drivers who want a portable 12V solution with USB C charging support. Its engine size guidance and included accessories make it easy to understand what it is set up for. If that matches your vehicle needs, it is a straightforward product to consider.
Check your vehicle details, then choose it if you want one unit for jump starting and everyday charging.





