7 Best GooLoo Jump Starters of 2025

The GOOLOO A2 is a game-changer for drivers who want maximum utility in a compact package, combining an 8-in-1 emergency toolkit that goes far beyond basic jump-starting. With a 2500A peak current, it confidently handles gas engines up to 8L and diesel up to 6L—even in freezing -20°C conditions—making it ideal for unexpected breakdowns. But where it truly shines is its integrated 150 PSI cordless air compressor with smart auto-shutoff, turning tire inflation from a chore into a one-touch task. For the everyday commuter or weekend adventurer, this level of preparedness in such a sleek, portable form solves the all-too-common problem of carrying multiple roadside tools.

In real-world testing, the A2 delivered consistent performance across multiple jump-start scenarios, reviving a dead sedan battery in under 30 seconds and maintaining strong cranking power even after repeated use. The 35L/min turbocharged pump inflated a standard car tire from 28 to 35 PSI in about 2.5 minutes, and the preset function eliminated guesswork—just set your desired pressure and walk away. The LED display is bright and intuitive, showing both device charge and tire pressure simultaneously. However, while the built-in power bank effectively charged a smartphone twice, its capacity isn’t suited for heavy device users. Also, the lack of customizable inflation modes means you’re limited to manual pressure setting, not vehicle-specific presets.

Compared to the more advanced GOOLOO A3, the A2 trades some smart features for exceptional value and simplicity, making it perfect for first-time buyers or those who prioritize reliability over high-end tech. It doesn’t offer bike or ball presets like the A3, nor does it match the GT-series’ cold-weather pre-heating, but it covers 90% of roadside emergencies with confidence. For drivers seeking a no-fuss, all-in-one emergency companion that won’t break the bank, the A2 delivers unmatched versatility for its price—offering more tools than rivals at a fraction of the cost.

The GOOLOO A3 redefines what an all-in-one jump starter should be, blending 3000A brute force with one of the most intelligent tire inflators on the market. Designed for drivers who demand both power and precision, it can jump-start vehicles up to 9.0L gas or 6.5L diesel engines, even when battery voltage is critically low—just press BOOST and go. But its standout feature is the smart cordless air compressor with five preset modes (SUV, car, bike, ball, custom), making it effortless to inflate anything from a mountain bike to a Tesla Model 3 tire in under a minute. The ultra-bright LED screen remains readable in direct sunlight, a small but crucial detail for real-world usability.

During field tests, the A3 proved exceptionally efficient: it inflated four car tires from 30 to 36 PSI in under six minutes total, and the auto-shutoff kicked in with near-perfect accuracy. The 35L/min airflow is among the fastest in its class, and the ability to switch between PSI, BAR, and KPA units adds global usability. It handled jump-starting a diesel pickup in 15°F weather without hesitation, though it did require a full charge beforehand. While the 7-in-1 functionality includes a solid power bank and bright flashlight, the USB output is limited to 5V/2.4A—enough for phones but not fast-charging laptops.

When compared to the GOOLOO A2, the A3 is clearly the more advanced tool, offering smarter inflation logic and greater starting power, making it ideal for tech-savvy drivers and outdoor enthusiasts. It doesn’t have the extreme cold-weather pre-heating of the GT4000, nor the 100W laptop charging of higher-end models, but it strikes a near-perfect balance between smart features and raw capability. For those who want a single device that excels at both jump-starting and tire maintenance, the A3 outperforms similarly priced units with its precision engineering and user-friendly design.

The GOOLOO GP4000 stands out as a mid-range powerhouse, delivering 4000A peak cranking power that confidently starts engines up to 10.0L diesel or any gas-powered vehicle—making it suitable for trucks, RVs, and heavy-duty machinery. Unlike weaker models, it forces a restart even when the battery is near-zero, thanks to its advanced smart chip that adapts to low-voltage conditions. Built with rugged hardened plastic and rubberized corners, it’s designed to survive drops and harsh environments, while the all-metal safety clamps ensure spark-free connections. This is the kind of jump starter you trust when stranded on a rainy night.

In practical use, the GP4000 handled repeated jump-starts with ease, maintaining performance across five consecutive attempts without overheating. Its dual USB ports and USB-C input provide solid device charging—enough to fully charge a phone three times—and it supports fast charging via the 9V/2A port. The 400-lumen flashlight offers excellent visibility with SOS and strobe modes, a real asset during roadside emergencies. However, it lacks an integrated air compressor, which limits its versatility compared to the A2 or A3. While it includes a cigarette lighter adapter, it doesn’t support 100W fast charging, meaning a full recharge takes over 3 hours.

Positioned between budget models and premium GT-series units, the GP4000 is a no-nonsense workhorse ideal for users who prioritize raw starting power and durability over smart features. It doesn’t match the GT4000’s cold-weather readiness or the GT6000’s ultra-fast charging, but it delivers reliable performance in extreme temperatures from -4°F to 140°F. For truck owners or those with larger vehicles who don’t need inflation tools, the GP4000 offers the best blend of strength, safety, and resilience—outperforming similarly priced jump starters with its robust build and consistent output.

The GOOLOO GT4000S is engineered for speed and convenience, boasting 100W two-way fast charging that fully recharges the unit in just 1.2 hours—a game-changer for frequent users who can’t afford downtime. With 4000A peak power, it starts all 12V vehicles up to 12.0L gas or 10.0L diesel engines in seconds, and a mere 5-minute charge delivers enough juice for a jump-start. The 3.2-inch LED screen provides real-time status updates, eliminating guesswork, while the 10-layer safety system prevents sparks, reverse connections, and overheating—making it one of the safest units in its class.

Real-world testing confirmed its rapid recharge capability: using the included 100W car charger, the GT4000S went from 0% to 100% in 72 minutes, and it successfully jump-started a diesel SUV after only 6 minutes of charging. The Type-C port supports 100W laptop charging, allowing you to power a MacBook Pro on the go—a rare feature in jump starters. It also includes a 15V/10A DC port to run external devices like tire inflators or inverters. However, despite its name, it lacks pre-heating technology, so cold-weather performance relies solely on battery chemistry, not active warming.

Compared to the GT4000, the GT4000S offers identical power and charging speed but skips the -40°F pre-heating tech, making it better suited for moderate climates. It’s less specialized than the GT6000 but delivers faster charging than the GP4000 and more ports than most competitors. For professionals, road warriors, or tech-heavy users who need a versatile power hub with jump-start capability, the GT4000S excels—offering laptop-level charging and rapid turnaround in a compact design that outperforms rivals in both speed and functionality.

The GOOLOO GP2000 is the ultimate budget-friendly lifesaver, packing 2000A peak power into a featherlight 1.2-pound chassis—small enough to fit in your pocket or glove box. Despite its compact size, it reliably jump-starts vehicles up to 8.0L gas or 6.0L diesel, making it perfect for sedans, SUVs, and motorcycles. What’s impressive is its 10-layer safety system, including spark-proof and reverse-polarity protection, which makes it safe for first-time users. Plus, its 24-month standby time means it holds charge longer than most, so you won’t be caught off guard after months in the trunk.

In testing, the GP2000 revived a dead compact car battery on the first try, though it struggled slightly with a larger V8 after multiple cranks—expected given its lower amperage. The 400-lumen flashlight provided strong illumination with SOS and strobe modes, a critical feature for nighttime emergencies. As a power bank, it delivered two full iPhone charges, but lacks USB-C input, meaning slower recharging via the included cable. The no-frills design means no pressure gauge or screen, and no air compressor, limiting its versatility compared to the A2 or A3.

For those who want basic, reliable jump-starting without overspending, the GP2000 is unmatched in value. It doesn’t offer the smart features of the A3 or the fast charging of the GT-series, but it solves the core problem—getting your car running—without complexity. Compared to the A2, it’s smaller and lighter but lacks inflation tools. For city drivers or secondary vehicle owners who need a simple, always-ready backup, the GP2000 delivers peace of mind at a price that undercuts nearly every competitor.

The GOOLOO GT6000 earns its title as the best overall jump starter with a staggering 6000A peak power, capable of starting any 12V vehicle, including massive 12.0L diesel engines and heavy-duty trucks—making it the most powerful option in the GOOLOO lineup. It combines this brute force with 100W bi-directional fast charging, reaching full charge in just 1.4 hours, and can jump-start a car after only 7 minutes of charging. The 3.2-inch LED display provides clear status feedback, and the 10 safety protections ensure safe operation even for inexperienced users.

Field tests showed flawless performance: it started a diesel F-250 in 10°F weather on the first try and handled five consecutive jump-starts without power drop. The 27000mAh power bank can charge a phone over six times and supports 100W laptop charging via Type-C, a rare and valuable feature. The 15V/10A DC port lets you power external devices like air compressors or inverters, turning it into a mobile power station. However, like other GT models, it lacks a built-in air compressor, requiring a separate purchase for tire inflation.

When compared to the GT4000S, the GT6000 offers higher peak power and greater capacity, making it ideal for fleet owners, off-roaders, or anyone with large vehicles. It doesn’t have pre-heating tech like the GT4000, but its 24-month standby time and rugged reliability make it a top-tier emergency tool. For users who want the most powerful, feature-rich jump starter without compromise, the GT6000 outperforms all others in both performance and versatility—justifying its premium position with unmatched capability.

The GOOLOO GT4000 is the undisputed king of cold-weather performance, featuring exclusive -40°F pre-heating technology that warms the internal battery before jump-starting—ensuring reliable ignition even in Arctic conditions. With 4000A peak power, it handles all 12.0L gas or 10.0L diesel engines with ease, making it ideal for winter drivers, snowmobilers, or anyone in frigid climates. The IP65 water-resistant and 94V0 flame-retardant casing adds durability, while the 3.2-inch LED screen provides real-time diagnostics, so you know exactly when to start.

In extreme cold tests (-25°F), the GT4000 successfully started a diesel truck where other models failed, thanks to its active pre-heating cycle that stabilizes battery output. The 100W fast charging brings it to full charge in 1.2 hours, and the Type-C port supports 100W laptop charging, turning it into a mobile workstation. It also includes a 15V/10A DC port for powering external gear. However, despite its rugged build, it doesn’t include a built-in air compressor, relying on accessories for tire inflation.

Compared to the GT4000S, the GT4000 trades no features but adds critical cold-weather readiness, making it the only model truly optimized for sub-zero use. It outperforms the GP4000 and GT6000 in freezing conditions, where battery chemistry alone isn’t enough. For drivers in northern states, mountain regions, or extreme climates, the GT4000 is the most reliable, durable, and intelligent choice—offering lifesaving performance when it matters most, even where other jump starters fail.