The truck is loaded, the coffee is still hot, and the starter gives you one sad click in the driveway. A lithium jump starter solves that problem by putting high current at the battery without waiting for another vehicle. After comparing 6 models, the NOCO Boost GBX55 is the best fit among NOCO jump starters for diesel trucks, with 1,750 amps, 5L diesel coverage, and up to 9 starts per charge. The NOCO Boost GBX45 is the alternative pick for 1,250 amps and diesel engines up to 4L.
Pros
- 1,750 amps for gas up to 7.5L and diesel up to 5.0L
- Recharges in 1.2 hours via USB-C Power Delivery
- Up to 9 jump starts per charge
- 60W USB-C output charges phones, tablets, and laptops
- 200-lumen LED flashlight with 7 modes
Cons
- No air compressor listed
- Wall charger not listed in the box
- 3.37 lb weight may feel bulky in small glove boxes
Pros
- 1,250 amps for gas engines up to 6.5L, diesel up to 4.0L
- Recharges in 48 minutes via USB-C Power Delivery
- Up to 6 jump starts per charge
- 60-watt USB-C Power Delivery for devices
- 100-lumen LED flashlight with 7 modes
Cons
- USB-C cable included, wall charger not listed
- No air compressor feature listed
- Up to 6 jump starts per charge may limit repeated use
Pros
- 8000A peak current for heavy-duty 12V vehicles
- 41600mAh battery can charge phones about 8 to 10 times
- 65W fast charging fully recharges unit in 2.5 hours
- 10 x 6 x 7.5 inches and about 7 lb with top handle
- 10 safety protections and operates from -40°F to 140°F
Cons
- Needs 2 or more battery bars before jump-starting
- 12V vehicles only
- At 7 lb, it is heavier than many compact jump starters
Pros
- 10000A peak current for all gas and diesel engines
- 24000mAh power bank with Type-C, dual USB, and DC ports
- 30W charging hub for phones and roadside gear
- 10 safety protections, with UL, FCC, and CE certification
- 1600-lumen LED light with strobe and SOS modes
Cons
- Charge should be above 50% before jump starting
- Needs recharging every 3 months when stored
- No built-in air compressor listed
Pros
- 10000A peak current for cars, SUVs, trucks and heavy-duty vehicles
- Force Start supports critically low batteries, even 0%
- 65W USB-C charges unit to 80% in under 1.5 hours
- 4 inch HD display shows battery level, status and error alerts
- Reverse polarity, spark-proof and over-charge protections
Cons
- Recharge every 2 to 3 months, even when unused
- Wait 10 to 15 minutes after a start before reusing
- No air compressor feature listed
How We Chose Jump Starters for Diesel Truck Owners
Diesel trucks ask more from a battery booster than a small gas sedan does. Compression, cold oil, and larger batteries make engine coverage, reserve power, and safe clamps more important than a long list of convenience extras.
- Engine coverage for large gas and diesel engines: We prioritized stated engine limits because diesel capacity is the first cutoff. The NOCO Boost GBX55 is rated for gas engines up to 7.5L and diesel engines up to 5L, which puts it in the useful range for many light duty diesel pickups. Its 1,750-amp peak output also gives it more headroom than smaller NOCO Boost models.
- Peak current and cold-weather starting: Cold starts matter because batteries and engines both get less cooperative as temperatures drop. According to AAA Oregon/Idaho, a car battery loses about 35 percent of its strength at 32°F, and an engine may need up to twice the normal current to start in the cold. The VTOMAN 8000A Jump Starter (41,600 mAh) is the heavy reserve option here, with an 8,000-amp peak rating and an operating range from -40°F to 140°F.
- Starts per charge: Stated start count tells you whether a pack is just for one emergency or for several attempts during a long trip. Among the NOCO picks, the range runs from up to 6 starts to up to 9 starts per charge. For a diesel truck that may need more than one crank cycle, the higher figure is meaningful.
- Clamp and cable quality: We looked for concrete claims about clamp material, cable gauge, or heavy-duty construction. The TOPDON JS3000 lists 100 percent copper clamps and heavy-duty jumper cables, along with a 3,000-amp peak rating. It also states coverage up to 9L gas and 7L diesel engines, which exceeds the diesel rating of our top pick.
- Safety protections: Lithium jump starters need more than raw amperage. Across the main picks, safety claims include spark-proof operation, reverse polarity protection, short-circuit protection, over-current protection, and over-voltage protection. The Consumer Product Safety Commission has reported a lithium jump starter recall involving about 10,400 units after 45 overheating or melting reports, so built-in protection systems are not a side detail.
- Weight and storage in a truck: A jump starter that lives in a truck should be easy to keep behind a seat, in a toolbox, or in an emergency bin. The lightest featured NOCO figure is 3.37 pounds, while the heavier truck-focused pack in our criteria weighs 7 pounds. That heavier model is still far below old lead-acid jump boxes that commonly feel like shop equipment instead of cab gear.
We excluded jumper cables because they need a second running vehicle, which is exactly what you may not have at a job site or trailhead. We also left out trickle chargers and maintainers because they take hours rather than seconds, and small motorcycle packs because they have too little reserve for large diesel engines.
Other Jump Starters Worth Considering
These are other jump starters we looked at but did not put on our main list.
If you want a much higher peak-current number, the AVAPOW 8000A Jump Starter lists an 8,000-amp peak rating. That is far above the 1,750 amps of our top pick, but it does not bring the same NOCO Boost fit for buyers who specifically prefer that platform.
For drivers who want one roadside box to handle tires and batteries, the NACKEO 8000A Jump Starter with Air Compressor adds a 160 PSI inflator. It also claims coverage for all gas engines and diesel engines up to 12L, while weighing 1.43 pounds. The tradeoff is that the built-in inflator is extra complexity compared with the simpler battery-focused main picks.
Long-haul and equipment users may be drawn to the MyAnts 8000A Jump Starter (40,000 mAh) because it combines an 8,000-amp peak rating with a 40,000 mAh battery. It also lists both 12V and 24V modes, plus operation from -40°F to 140°F. That makes it broader on paper than our top pick, but it is aimed beyond typical light duty truck use.
And if maximum output is the whole reason you are shopping, the Primedura DM1264 goes far beyond the others with a 30,000-amp peak rating. It lists diesel coverage up to 50L and a 64,000 mAh battery, but its 13.66-pound weight is about 4 times the 3.37-pound figure for our top pick. That is a serious tradeoff if the jump starter will ride in a pickup cab every day.
FAQs
How much diesel engine coverage should I look for?
Match the stated diesel liter rating to your engine, then leave some margin if your truck often sits in cold weather. Our main picks range from diesel coverage of 4L to 7L, so the right choice depends on whether you drive a smaller diesel or a larger pickup engine.
Do peak amps matter more for diesel trucks?
Peak amps matter because diesel engines can demand high current during cranking, especially when temperatures drop. AAA Oregon/Idaho notes that an engine may need up to twice the normal current to start in cold conditions, so a higher peak rating can add useful headroom.
How often should I recharge a portable jump starter?
Follow the maker’s recharge guidance, especially after a start or long storage. Among the main picks, stated maintenance guidance ranges from recharging every 2 to 3 months to every 3 months when unused.
Are lithium jump starters safe to keep in a truck?
They can be, but safety protections matter. Look for named safeguards such as reverse polarity protection, spark-proof clamps, and over-current protection, because the CPSC has documented lithium jump starter overheating cases, including 18 reports of fire in one recalled group.
Sources
- Winter Battery Preparation, AAA Oregon/Idaho. How cold weather drains car batteries and when to replace them.
- Whistler Recalls Jump&Go Portable Jumpstart and Power Supply Units, U.S. Consumer Product Safety Commission. Recall of a lithium jump starter that could overheat.
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