
Price: $189.99 - $99.99
(as of Mar 30, 2025 16:25:35 UTC – Details)
From the brand
About us
GOOLOO has been a jump-starter researcher & manufacturer for decades. We are committed to making high-quality products for customers.
Work in Extreme Weather
Gooloo GT4000S can start your car at -20℃~60℃. Nothing to worry about even winter is coming.
All Questions Have Answers
Good service is our second pursuit after products. We value your ideas and suggestions.
A Meaningful Gift
GT4000S jump starter will be a great gift for your family or friends. It will be helpful in their driving life.
Other Buying Options
ONE & ONLY 100W Fast-Charging Car Battery Jump Starter: Only 1.2 hours can fully charge the jump box from 0% to 100%. 5 minutes of charging time are enough to start a car(100W car charger is included in the package). A single full charge can achieve 60 times jumpstart. You can also use your own fast-charging charger to charge this jump starter through the type-c port.
Up to100W Charging Speed for MacBook & Other Laptops: Charge it whenever and wherever as fast as the original adaptor for your laptops(Type-C port only).
Powerful yet Compact Portable Jump Starter: With a 4000A peak cranking power, the Gooloo GT4000S can jump-start nearly all 12V vehicle engines, including those up to 12.0L gasoline or 10.0L diesel, in just a few seconds. Unlike traditional car jump starters or jumper cable kits, it offers superior power in a more compact form. It’s perfectly compatible with RVs, pickup trucks, motorcycles, SUVs, tractors, boats, and more.
Easier & Safer to Jump-start: This portable lithium car battery jump starter pack has a 3.2-inch informative LED screen clearly to show product status , so you can know when to start the car intuitively. Built-in 10 kinds of protection technology to free your mind of misgivings of misoperation and sparks.
24 Months Stand-by Time: Regular charging is not necessary as long as you own the GT4000S battery jump starter. The built-in 10 protection technologies also greatly extend the service life of the product.
More than a Battery Jump Starter: Not only a jump starter battery pack,the GOOLOO GT4000S also features as a portable battery bank with three USB Ports and a 400 lumen flashlight with 3 modes(SOS, SPOTLIGHT, STROBE).Plus a 15 volt 10 Amps port for powering any 15V or 12V DC devices, like tire inflators, inverters, and more.
In The Box: Gooloo 4000A Portable Car jump starter battery pack GT4000S, Heavy Duty Jumper Cables, SC 100W Car Charger, USB to Type-C Cable, Type-C to Type-C Cable, Cigarette Lighter Adapter, Storage Bag, User Manual.
Customers say
Customers find the jump starter works excellently, particularly with completely dead batteries, and appreciate its 99% charge capacity and ease of use compared to jumper cables. The product is well-built, starts vehicles quickly, and offers good value for money. While some customers report it charges devices quickly, others mention it doesn’t charge above 71%. The compact design makes it easy to store.