GOOLOO GP2000 vs NOCO GBX155
The short answer
NOCO GBX155 comes out ahead overall with 7.8/10 against 6.6/10 for the GOOLOO GP2000. GOOLOO GP2000 is stronger on value. NOCO GBX155 is stronger on starting power, battery capacity & standby, ease of use & safety features, build quality & durability, versatility and battery safety & sustainability. At current verified prices, the GOOLOO GP2000 costs about $319.99 less.
- Choose the GOOLOO GP2000 if: Budget buyers with small and mid-size gas engines who want a cheap, light glovebox pack.
- Choose the NOCO GBX155 if: Owners of large V8s, diesels or fleets who want the most proven power and capacity and will pay a premium.
Scores by criterion
| Criterion | GOOLOO GP2000 | NOCO GBX155 |
|---|---|---|
| Starting Power | 7.0Eight back-to-back boosts on a 2.5L engine (TechGearLab); weak on large engines. | 9.34250A; best results in TechGearLab's test. |
| Battery Capacity & Standby | 6.037 Wh rated, unmeasured; 24-month standby claim. | 9.086.1 Wh measured, the most usable energy in the pool. |
| Ease of Use & Safety Features | 6.3Simple controls; thin cables and a clunky case. | 7.0Buttons and indicators are less clear than rivals' (TechGearLab). |
| Build Quality & Durability | 5.5Thin plastic; no IP rating confirmed. | 7.5Solid build but 5.8 lb, no case, no IP rating confirmed. |
| Versatility | 5.515W USB and a 400-lumen light; AC adapter sold separately. | 7.560W USB-C PD; no compressor. |
| Battery Safety & Sustainability | 5.5No certification confirmed. | 6.0Spark-proof and reverse-polarity protection; 99 Wh; no UL 2743 confirmed. |
| Value | 8.7Lab-proven repeat starts for about $70. | 5.5About $370, roughly 3x the MV24's price. |
Specifications
| Spec | GOOLOO GP2000 | NOCO GBX155 |
|---|---|---|
| Peak Current | 2,000 A | 4,250 A |
| Max Gas Engine (rated) | 8 L | 10 L |
| Max Diesel Engine (rated) | 6 L | 8 L |
| Battery Chemistry | Lithium-ion | Lithium-ion |
| Rated Capacity | 37 Wh | 99 Wh |
| Measured Usable Capacity (TechGearLab) | — | 86.1 Wh |
| Weight | 1.2 lb | 5.8 lb |
| Built-in Air Compressor | No | No |
| Max USB Output | 15 W | 60 W |
| Water/Dust Rating | — | IP65 (ports closed) |
| Min Operating Temperature (rated) | — | -4 °F |
| Automatic Cell Preheat for Extreme Cold | — | No |
GOOLOO GP2000
Pros
- Handled eight consecutive boosts on a 2.5L engine
- Budget price
- Light
- 400-lumen work light
Cons
- Struggles with large engines
- Thin plastic and cables, and a clunky case
- 12V AC adapter sold separately
- Listings disagree on weight and engine rating, so check the details when ordering
The budget pick for owners of small and mid-size gas cars who want something light for emergencies.
Full GOOLOO GP2000 review →NOCO GBX155
Pros
- Highest-scoring unit in TechGearLab's test
- Rated for 10L gas and 8L diesel
- 86.1 Wh measured usable battery
- Spark-proof and reverse-polarity protection
- Sold directly by Amazon
Cons
- Premium price
- Heavy at 5.8 lb, with no storage case
- Buttons and indicators are less clear than rivals'
- No air compressor
The pick for owners of large diesels and fleet vehicles who value proven power over price. Most drivers get more for their money elsewhere.
Full NOCO GBX155 review →Both products are part of our guide The Best Jump Starters of 2026, where you can see every pick, how we score and current prices from each retailer.