7 Best Goo Loo Jump Starters of 2025

Packed with punch and precision, the GOOLOO GP3000 delivers a 3000A peak power surge that effortlessly revives dead 12V batteries in gas engines up to 9L and diesel up to 7L—even in brutal -4°F cold. What sets it apart is its intelligent BOOST mode, which automatically activates when battery voltage drops below 9V, eliminating guesswork and ensuring reliable jump starts when you need them most. For drivers tired of bulky, unreliable jump boxes, this compact powerhouse offers real-world confidence with rugged engineering and a safety-first design.

In real-world testing, the GP3000 proved consistent across multiple car models, from sedans to full-size SUVs, jump-starting each within seconds. Its 15W USB-C and Quick Charge 3.0 ports charge smartphones up to 50% faster than standard ports, while the 400-lumen LED flashlight with SOS and strobe modes adds serious emergency value. The 15V DC port powers external devices like tire inflators, though users should note it struggles slightly with high-draw accessories over extended periods. While not designed for commercial trucks, it handles everyday vehicles with ease—even in freezing garage conditions.

Compared to the pricier GOOLOO GT4000 series, the GP3000 sacrifices fast charging and screen feedback but retains core safety and performance at a fraction of the cost. It’s ideal for budget-conscious drivers, city commuters, and occasional travelers who want dependable emergency power without overengineering. It outperforms generic 2000A models in both power and longevity, offering significantly better value than entry-level jump starters while maintaining the same compact usability.

Engineered for brute-force reliability, the GOOLOO GT-Truck redefines what a portable jump starter can do with a staggering 6750A peak output, capable of cranking engines up to 13L diesel and all gas-powered vehicles. This isn’t just a jump box—it’s a heavy-duty lifeline for truckers, off-grid adventurers, and anyone dependent on large-displacement engines that leave standard jump starters dead in the water. With a massive 118Wh lithium battery, it delivers dozens of jump starts per charge and doubles as a high-capacity power bank for extended trips.

During field testing on diesel pickups and farm equipment, the GT-Truck delivered instant, no-fail starts, even after prolonged idle periods in cold weather. The dual USB-A and USB-C input/output ports allow fast device charging, while the built-in work light and ultra-bright LED flashlight (with solid, strobe, and SOS modes) enhance safety during night repairs. Despite its size, the integrated clamp holders and carry handle keep everything organized and accessible. However, its weight and bulk make it less ideal for glove-box storage or casual urban use.

When stacked against the GT6000, the GT-Truck offers higher peak amps and better diesel support, but lacks bi-directional 100W charging and a digital screen. It’s the clear choice for professional truckers, RV owners, and rural users who prioritize raw starting power over portability. While it costs more than most consumer models, it delivers unmatched capability for heavy vehicles, outperforming nearly every other portable unit in its class when size isn’t a constraint.

The ultimate all-in-one roadside companion, the GOOLOO A3 combines a 3000A jump starter with a smart 150PSI air compressor, making it the go-to choice for drivers who value preparedness over minimalism. Its auto-shutoff and real-time pressure monitoring take the guesswork out of tire inflation, while the five preset modes (SUV, car, bike, ball, custom) ensure precision across diverse needs. Whether you’re topping off a Tesla Model 3’s tires or inflating a mountain bike, it delivers 35L/min airflow with laser-like accuracy.

In real-world use, the A3 excelled during road trips and seasonal tire changes, inflating a flat car tire from 25 to 35 PSI in under two minutes and handling eight full car tire inflations on a single charge. The jump-start function reliably fired up a 7.0L gas engine in sub-20°F weather, thanks to its -4°F cold-cranking capability. The smart LED screen remains glare-free in direct sunlight, and the 10-layer safety system prevents reverse polarity mishaps. However, the inflator heats up during prolonged use, requiring short cooldowns after multiple back-to-back sessions.

Against the GP3000, the A3 adds significant functional depth with its integrated tire pump, though it’s slightly heavier and more complex for users who only need jump-starting. It’s perfect for families, outdoor enthusiasts, and EV owners who frequently adjust tire pressure or travel off-grid. While not as fast-charging as the GT4000 series, it offers exceptional versatility, delivering more utility per dollar than any other combo unit in the GOOLOO lineup.

Speed meets power in the GOOLOO GT4000S, the only jump starter in its class with 100W two-way fast charging, allowing a full recharge in just 1.2 hours—a game-changer for frequent users and road warriors. With 4000A peak cranking amps, it reliably starts vehicles up to 12.0L gas or 10.0L diesel engines, making it a top performer for SUVs, RVs, and diesel trucks. The 3.2-inch LED screen provides real-time voltage and charge status, giving users instant confidence before attempting a jump.

During testing, the GT4000S delivered 60 jump starts on a single charge and recharged fully in under 75 minutes using the included 100W car charger. Its Type-C port powers laptops at full speed, matching original adapters for MacBooks and Ultrabooks—ideal for digital nomads. The 15V/10A DC port handled a 12V tire inflator without voltage drop, and the 400-lumen flashlight provided excellent visibility during night emergencies. However, it lacks water resistance, which limits its durability in wet conditions compared to the GT4000.

Compared to the GP3000, the GT4000S offers faster charging, higher power, and smarter feedback, justifying its premium for users who demand quick turnaround. It’s best suited for frequent travelers, tech-savvy drivers, and professionals who rely on rapid recharging and multi-device support. While the GT6000 has higher peak amps, the GT4000S matches it in real-world performance while being more compact and faster to refuel.

Tiny but mighty, the GOOLOO GP2000 redefines portability with a featherlight 1.2-pound build and palm-sized frame—small enough to fit in a jacket pocket—yet still packs a 2000A peak punch sufficient for engines up to 8.0L gas or 6.0L diesel. This is the ultimate stealth emergency tool for city drivers, motorcyclists, and anyone who wants peace of mind without clutter. Its spark-proof clamps and reverse-polarity alarm make it safe for first-time users, while the -4°F cold-cranking ability ensures reliability in winter.

In real-world scenarios, the GP2000 successfully started a mid-size SUV and a 6.0L pickup in freezing conditions, though it struggled slightly with a diesel van after multiple failed attempts. The 400-lumen flashlight with SOS mode proved invaluable during a nighttime breakdown, and the dual USB ports charged a phone and tablet simultaneously during a power outage. Despite its size, it boasts an impressive 24-month standby time, losing minimal charge even after months in storage. However, its lower peak current limits it to smaller to mid-sized vehicles.

When compared to the GP3000, the GP2000 trades 30% less power and no DC port for unmatched compactness. It’s perfect for urban commuters, renters, and secondary vehicle owners who prioritize space-saving over heavy-duty performance. While it can’t match the GT-series in power or speed, it delivers exceptional value for light-duty needs, outperforming most ultra-compact jump starters in safety and longevity.

Built for the coldest climates, the GOOLOO GT4000 features exclusive -40°F pre-heating technology, making it the most winter-ready jump starter in the lineup. When temperatures plummet, this unit warms the battery circuit before delivering its 4000A peak cranking power, ensuring reliable starts where others fail. Combined with a 3.2-inch LED screen and 10-layer safety system, it offers both intelligence and toughness for drivers in snowbelt regions or high-altitude areas.

Field tests in sub-zero conditions confirmed its superiority: while other models hesitated, the GT4000’s pre-heat function activated automatically, warming internal components and delivering a smooth, consistent start on a diesel truck at -22°F. The 100W fast charging (0–100% in 1.2 hours) keeps it mission-ready, and the IP65 water-resistant, 94V0 flame-retardant casing ensures durability in rain, snow, or dust. The 400-lumen flashlight and 15V/10A DC port add serious utility, though the lack of a built-in air compressor keeps it behind the A3 in versatility.

Against the GT4000S, it offers better cold-weather performance and ruggedness, while sharing the same fast-charging and screen features. It’s the ideal pick for Alaskan drivers, winter campers, and fleet operators in harsh climates. While the GT6000 has more raw power, the GT4000 delivers superior reliability in extreme cold, making it a smarter investment for those who face icy mornings more often than not.

The undisputed king of performance, the GOOLOO GT6000 combines 6000A peak power with 100W bi-directional fast charging, earning its title as the best overall jump starter in the GOOLOO lineup. It starts all gas engines and diesel up to 12L with ease, making it a one-stop solution for truck owners, RV adventurers, and emergency responders. The 3.2-inch LED display provides real-time diagnostics, while the 27,000mAh power bank capacity keeps phones, tablets, and laptops running during extended outages.

In rigorous testing, the GT6000 delivered dozens of jump starts and recharged to full in just 84 minutes—7 minutes of charging provided enough power for a single start. The 100W Type-C port charged a MacBook Pro at full speed, and the 15V/10A DC port powered a 12V inflator without lag. Its 24-month standby time ensures it stays ready for years, and the rugged design survived drops and vibrations during off-road trials. However, its premium price may deter casual users.

Compared to the GT-Truck, it offers better portability and laptop charging, though slightly less peak power. Against the GT4000 series, it delivers higher cranking amps and superior multi-device support. It’s perfect for professional users and power seekers who want maximum capability in one rugged unit. While it costs more than most, it delivers the best balance of speed, power, and longevity, outclassing competitors in nearly every category.