Clore Automotive JNC660 vs NOCO GBX155

Clore Automotive JNC660
The short answer
NOCO GBX155 comes out ahead overall with 7.8/10 against 6.6/10 for the Clore Automotive JNC660. Clore Automotive JNC660 is stronger on build quality & durability, battery safety & sustainability and value. NOCO GBX155 is stronger on starting power, battery capacity & standby, ease of use & safety features and versatility. At current verified prices, the Clore Automotive JNC660 costs about $243.93 less.
- Choose the Clore Automotive JNC660 if: Farms, shops and fleets that need long, repeated glow-plug cranks and can keep an 18 lb box on AC charge.
- Choose the NOCO GBX155 if: Owners of 3/4- and 1-ton diesel pickups or big gas V8s who want the best-tested lithium power and can store the pack somewhere warm.
Scores by criterion
| Criterion | Clore Automotive JNC660 | NOCO GBX155 |
|---|---|---|
| Starting Power | 8.0425 cranking amps of sustained current; Outdoor Life says up to a 350 diesel; spec-based | 9.34250A; best results in TechGearLab's test. |
| Battery Capacity & Standby | 5.022Ah SLA; recharge after each jump | 9.086.1 Wh measured, the most usable energy in the pool. |
| Ease of Use & Safety Features | 6.5Simple with long heavy cables, but 18 lb and AC-charge only | 7.0Buttons and indicators are less clear than rivals' (TechGearLab). |
| Build Quality & Durability | 8.0Pro-grade shop box with a replaceable battery | 7.5Solid build but 5.8 lb, no case, no IP rating confirmed. |
| Versatility | 3.0No USB, light or compressor | 7.560W USB-C PD; no compressor. |
| Battery Safety & Sustainability | 6.5Lead-acid is recyclable and the battery is replaceable, but it contains lead | 6.0Spark-proof and reverse-polarity protection; 99 Wh; no UL 2743 confirmed. |
| Value | 7.0$126 is fair for a pro shop box | 5.5About $370, roughly 3x the MV24's price. |
Specifications
| Spec | Clore Automotive JNC660 | NOCO GBX155 |
|---|---|---|
| Peak Current | 1,700 A | 4,250 A |
| Max Gas Engine (rated) | — | 10 L |
| Max Diesel Engine (rated) | — | 8 L |
| Battery Chemistry | Sealed lead-acid (AGM) | Lithium-ion |
| Rated Capacity | — | 99 Wh |
| Measured Usable Capacity (TechGearLab) | — | 86.1 Wh |
| Weight | 18 lb | 5.8 lb |
| Built-in Air Compressor | No | No |
| Max USB Output | — | 60 W |
| Water/Dust Rating | — | IP65 (ports closed) |
| Min Operating Temperature (rated) | — | -4 °F |
| Automatic Cell Preheat for Extreme Cold | No | No |
Clore Automotive JNC660
Pros
- Sustained cranking current for hard starts
- Heavy 46-inch #2 AWG cables
- Replaceable battery
- Built-in automatic charger
- Moderate price
Cons
- 18 lb and not portable
- Charges only from 120V AC
- Must be recharged after each jump
- No USB or light
The practical choice for shops, farms and fleets with diesels that need repeated cranks and a place to plug in.
Full Clore Automotive JNC660 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 for Cold Weather & Diesel Trucks of 2026, where you can see every pick, how we score and current prices from each retailer.
