Clore Automotive JNC770R
Price history via Keepa
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Our verdict
The Clore Automotive Jump-N-Carry JNC770R is the ultimate choice for users who need dependable, high-amperage starting power for heavy-duty applications. It is ideal for professional mechanics and truck owners who value reliability over portability, but those looking for a lightweight, feature-packed gadget should skip it.
- ✓Exceptional cranking power
- ✓Extremely durable construction
- ✓Reliable lead-acid battery technology
- ✕Heavy and bulky design
- ✕Lacks modern USB charging ports
The Clore Automotive Jump-N-Carry JNC770R is a heavy-duty, professional-grade portable jump starter designed for those who prioritize raw power over modern bells and whistles. Unlike compact lithium-ion boosters, this unit utilizes a high-performance lead-acid battery, making it a reliable workhorse for mechanics and home garage enthusiasts alike. During our testing, we found the 1700 peak amp output more than sufficient to crank over stubborn, cold-soaked engines that smaller units struggle to wake up. It is built to last, featuring a rugged, impact-resistant case and heavy-duty clamps that provide a secure, low-resistance connection to battery terminals. This is not a pocket-sized device; it is a substantial piece of equipment meant to stay in your trunk or shop, providing consistent reliability when you need it most. While it lacks modern amenities like USB fast charging or integrated LED lighting, it excels at the fundamental job of getting a dead vehicle back on the road. The primary trade-off for its impressive cranking power is its significant weight and physical footprint, which might be a drawback for those seeking a portable jump starter for lightweight, space-constrained vehicles. For anyone dealing with larger engines or frequent cold-weather start failures, the JNC770R remains an industry gold standard for durability and performance.
Specifications
- Peak Amps
- 1700 A
- Battery Capacity
- 22000 mAh
- Max Gas Engine
- All
- Max Diesel Engine
- Large Displacement
- USB Fast Charging
- –
- LED Flashlight
- –
Price history
Price last checked 09/07/2026 · Price history via Keepa
How it compares
| Clore Automotive JNC770R | NOCO Boost GB150 | NOCO Boost GB40 | |
|---|---|---|---|
| Peak Amps | 1700 A | 3000 A | 1000 A |
| Battery Capacity | 22000 mAh | 87000 mAh | 24000 mAh |
| Max Gas Engine | All | 9.0L | 6.0L |
| Max Diesel Engine | Large Displacement | 7.0L | 3.0L |
| LED Flashlight | — | ✓ | ✓ |
Frequently asked questions
Can the JNC770R jump start a dead diesel truck?
Yes, this unit is specifically designed to handle the high cranking requirements of large diesel engines.
How often does the battery need to be recharged?
To ensure peak performance and longevity, you should keep the unit plugged into its onboard charger whenever it is not in use.
Is this jump starter safe for modern car electronics?
Yes, it features a robust design that provides stable power delivery, but as with all jump starters, ensure you follow the correct terminal connection sequence.
