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⚡ Never get stranded again — power up fast, stay safe, and charge everything on the go!
The GOOLOO GT4000S is a compact yet ultra-powerful 4000A lithium polymer jump starter designed for 12V vehicles including large gas and diesel engines. It features a rapid 100W two-way fast charging system that fully recharges in 1.2 hours and can jumpstart a car after just 5 minutes of charging. Equipped with a 3.2-inch LED screen and 10 safety protections, it ensures safe and intuitive operation. Beyond jump-starting, it doubles as a portable power bank with multiple USB ports, a 400-lumen flashlight, and a 15V DC output, making it an essential all-in-one emergency power solution for professionals on the move.











| ASIN | B09M9HQG73 |
| Amperage | 1000 Amps |
| Battery Capacity | 20000 Milliamp Hours |
| Battery Type | Lithium Polymer |
| Best Sellers Rank | #685 in Automotive ( See Top 100 in Automotive ) #14 in Jump Starters |
| Brand Name | GOOLOO |
| Compatible with Vehicle Type | Lawn Mower, Van, Watercraft, Passenger Car, ATV, Tractor, Bus, Truck, Scooter, Snowmobile, UTV, Motorcycle, RV |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,682) |
| Global Trade Identification Number | 33487794897135 |
| Item Dimensions D x W x H | 9.05"D x 3.93"W x 2.12"H |
| Manufacturer | GOOLOO |
| Manufacturer Part Number | GT4000S |
| Model Number | GT4000S |
| Peak Output Current | 4000 Amps |
| Specification Met | CE, FCC |
| Voltage | 12 Volts |
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