GOOLOO GT4000 Best Heavy Duty Jump Starter

GOOLOO GT4000 Emergency Battery Jump Starter

GOOLOO GT4000 Battery Booster Jump Starter Pack

GOOLOO GT4000 Portable Power Jump Starter

GOOLOO GT4000 Jump Starter with EVA Box

~~$279.98~~ $185.99 SAVE $93.99

⚡ GOOLOO GT4000: 4000A jump starter for 12L gas/10L diesel engines.
❄️ -40°F Cold Start: Works in -40°F to 140°F, water/dust-resistant, and ultra-reliable for any weather!
🛡️ 10 Safety Protections: 3.2" LED screen, spark-proof, misoperation-proof.
🔋 Multi-Power Hub: PD100W Type-C, QC, USB, 15V/10A ports for devices.
💡 400-Lumen LED: SOS, spotlight, strobe modes.
🛠️ Built Tough: IP65 waterproof, flame-retardant, rugged rubber shell.
🚗 Compact & Reliable: Perfect for emergencies and extreme conditions.

Premium EVA Case:
🛡️Shockproof & Weather-Resistant: Lightweight, crush-proof design.
🎯 Perfect Fit: Some of GOOLOO portable jump starters.
📦 Secure Storage: Mesh pocket + flap to protect cables/chargers.
👌 Ergonomic Design: Non-slip handle + steel-reinforced zipper.
📏 Compact Size: Ext. 10.82x5.71x4.72in | Int. 9.09x3.98x3.15in.

Free Shipping

Secure Payment

30 Days Money Back Guarantee

Up To 30 Months Warranty

Order in the next [totalHours] hours %M minutes to get it between and

Description

GOOLOO GT4000 smart tech jump starter delivers reliable cold-weather performance, capable of starting your car even in extreme temperatures as low as -40°F (-40°C). Its advanced battery technology and powerful 4000A peak current ensure instant ignition when you need it most, no matter how harsh the winter conditions get. Never stranded in the cold again—this rugged jump starter works when others fail.

GOOLOO GT4000 best battery for diesel truck

GOOLOO GT4000 best battery booster for diesel engine features advanced battery pre-heating technology, ensuring reliable performance even in extreme cold conditions down to -40°F (-40°C). This innovative system automatically warms the internal battery to optimal operating temperature, delivering full power when you need it most—no matter how freezing the weather gets. Winter-proof performance for Arctic-grade emergencies.

GOOLOO GT4000 best diesel truck jump starter

GOOLOO GT4000 the best jump starter pack delivers 4000A of peak power to reliably jump-start dead vehicles, including large 12L gas and 10L diesel engines—perfect for trucks, SUVs, and heavy-duty equipment. Even after 24 months of standby without use, its intelligent power management ensures it's always ready for emergencies. No more dead batteries—just instant starts, anytime, anywhere.

GOOLOO GT4000 portable car jump starter pack

GOOLOO GT4000 battery jumper power bank features 100W two-way fast charging, functioning both as a 100W high-speed charger for compatible devices and a 100W rapid recharger for the unit itself. This dual-capability design allows you to quickly power up laptops (via USB-C PD) while also enabling ultra-fast recharging of the jump starter.

GOOLOO GT4000 jump starter pack for diesel engine

GOOLOO GT4000 small battery jumper pack incorporates 10 advanced safety protections to ensure worry-free operation in any condition. Its AI-powered software constantly monitors power flow and battery status in real-time, while multiple physical safeguards provide comprehensive defense: Reverse-Polarity Protection prevents damage from incorrect connections, Over-Charge/Over-Voltage Protections maintain optimal charging levels, and Spark-Proof Technology eliminates dangerous sparks during use. Additional layers include short-circuit protection for sudden electrical faults, extreme temperature protection, over-current/over-load protection against power surges, and reverse-charge protection to block energy backflow. This military-grade safety system guarantees reliable, risk-free performance whether jump-starting vehicles or charging devices.

GOOLOO GT4000 best car jumper power bank

GOOLOO GT4000 battery jumper starter portable delivers 100W USB-C PD fast charging to power up your MacBook at maximum speed. Includes USB-C to USB-C cable - works with all USB-C laptops and tablets.

GOOLOO GT4000 best emergency battery jumper

GOOLOO GT4000 best emergency car battery charger comes complete with a 100W car charger, enabling ultra-fast recharging in approximately 1 hour while on the road.

GOOLOO GT4000 portable car battery charger and jump starter achieves a full recharge in just 1 hour when using the included 100W wall charger - the fastest recovery time in its class. Need to buy separately.

GOOLOO GT4000 best portable jump starter for diesel trucks

GOOLOO GT4000 best jump pack for diesel truck features an industry-leading 24-month standby time, maintaining reliable emergency power for up to 2 full years without needing a recharge.

GOOLOO GT4000 good portable jump starter

GOOLOO GT4000 diesel jump starter battery pack features a 3.2-inch intuitive LED screen that provides clear, real-time power status updates for precise monitoring.

GOOLOO GT4000 battery jump pack for diesel truck

GOOLOO GT4000 diesel truck battery jump starter features a multi-mode LED emergency light with three essential functions for safety and utility:

NORMAL (Steady Light) – Bright 1000-lumen floodlight for repairs, camping, or roadside work

STROBE – High-visibility flashing beacon for accident scenes or hazard marking

SOS – Standardized distress signal (3 short/3 long/3 short flashes) for emergencies

GOOLOO GT4000 jump pack for diesel truck makes vehicle resuscitation effortless with its foolproof 2-step operation: CONNECT and START.

GT4000 hand held jump box package includes a jump starter, heavy-duty jumper cables, a 100W car charger, USB to Type-C cable, Type-C to Type-C cable, cigarette lighter adapter, and a convenient storage bag.

High-Quality EVA Material: Protect your jump starter with a lightweight, compression-resistant, shock-resistant, and weather-resistant case to effectively shield against accidental collisions, dents, and scratches. Excellent for GOOLOO Jump Starters.

Comprehensive Protection: The built-in mesh zipper pocket holds jump starter accessories such as AC outlets, car chargers, wall charger adapters, jumper cables, USB cables, and more. An added flap on the other side protects your products from friction.

User-Friendly Design: Features a non-slip handle, allowing you to easily carry your starter and accessories together. Equipped with a durable, smooth, and precise steel-edged zipper that supports thousands of openings and closings.

Case Only! (Jump starter and accessories not included.) Specially designed for high protection and ease of use. Also ideal for protecting your other gadgets.

External Dimensions: 10.82 x 5.71 x 4.72 inches; Internal Dimensions: 9.09 x 3.98 x 3.15 inches.

Note: A3&A2 is not suitable for this EVA box.

Specs

Faqs

1. Does the GOOLOO Jump Starter only start vehicles?
The GOOLOO Jump Starter comes with a flashlight function and is not only a device that can start your car but also a portable charger that can quickly charge your mobile devices and laptops on the road.

2. How safe is the GOOLOO Jump Starter?
This unit includes 8 protection features, including over-current protection, overload protection, over-voltage protection, and overcharge protection, making it extremely safe to use.

3. What scenarios can I use the GOOLOO Jump Starter in?
This unit is perfect to jump start a dead car in ice and snow when the battery is undercharging, the car stalls while driving, or in emergencies, for medical rescue, or on road trips.

4. Is the GOOLOO Jump Starter difficult to use?
No. You can jump start your vehicle in three easy steps. You can simply clamp on, connect to the car battery and wait for a solid green light on the clamp, then start your car.

5. What battery does the GOOLOO Jump Starter use?
This unit uses a lightweight lithium polymer battery.

6. Can it jump-start a 6V battery?
No. GOOLOO jump starters can only jump-start 12V battery.
7 Can I use this jump starter on a gel battery？
Yes, as long as it is at 12 Volt.

8. What are the recommended operating and storage temperatures?
The GOOLOO Jump Starter includes a lithium polymer battery built for operating and storage temperatures of -20°C to 60°C (-4°F to 140°F). If the ambient temperature is above 60°C (140°F), the internal cell construction of the lithium polymer battery may be damaged, causing it to swell and become unsafe. Do not store the device in a vehicle parked in hot weather for long periods of time.

9. Why are the green and red light on the jumper cable blinking?
The jumper cable features a smart Over-Start Protection function. If you start the vehicle more than 4 times in 2 minutes, the jumper cable will turn on Over-Start Protection: The green and red light will start to blink and the battery clamps will have no output. When you disconnect the jumper cable plug from the jumper starter, the smart Over-Start Protection will reset.

10. How do I know if this unit is correctly connected to the vehicle?
The indicator on the jumper cable will show a steady green light when the battery clamps are correctly connected to the vehicle battery. If a steady red light comes on and the unit is beeping, the connection needs to be reversed.

11. Can this unit charge other devices while it is being charged?
Yes.

12. Can this unit charge other devices while starting a vehicle?
No.

13. How often should my unit be recharged?
We recommend to recharge the GOOLOO Jump Starter every 3 months.