NOCO Boost X GBX55
#17 in Trucks and V8sFull review
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.
Amazon $174.95$174.95
3.2/5
For drivers who want a lithium pack that recharges over USB-C and comes with both wall and car chargers. Those who need to revive a fully dead battery should pick a model with an override mode.
- No liter ratingEngines
- NoOverride
- 1 yearWarranty
Check price at Amazon$116.41
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Charges a phone or tablet at up to 30 W over USB-C
- Recharges from a 30 W USB-C charger, a wall adapter or the car, all included
- Usable down to -4 °F
Cons
- No override: may not start a battery that has dropped below about 2 V
- Only “up to V8” with no liter rating
- No published battery capacity, weight or recharge time
- Not for marine use, per the manual
The Stanley Lithium family
Every Stanley Lithium model we rank, smallest first. Ratings compare each against its own engine size.
| Model | Engines | Rating | Price |
|---|---|---|---|
| Stanley LJ12FC | No liter rating | 3.4/5 | $69.97 |
| Stanley LJ20F (this one) | No liter rating | 3.2/5 | $116.41 |
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 number | LJ20F |
|---|---|
| Starting | |
| Rated engines | Cars and trucks up to V8 (no liter rating) |
| Peak amps (maker) | 2,000 A |
| Voltage | 12 V |
| Manual override | No |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| USB-C input | 30 W |
| USB outputs | USB-C PD 30 W, USB-A 15 W |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Warranty | 1 year |
| Released | 2026-05 |
Alternatives in this engine size
Schumacher DSR119
#18 in Trucks and V8sFull review
For a shop or farm that wants a simple, rugged booster with real cranking amp ratings for V8 trucks. Drivers who keep one in the car are better off with a light lithium pack.
Amazon $104.49$104.49
Clore Jump-N-Carry JNC325
#20 in Trucks and V8sFull review
For shops and truck owners who want pro-grade cables and a memory-saver outlet on a V8-rated lithium pack. Home users can get the same engine coverage for less elsewhere.
Amazon $193.99$193.99
Compare
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