







⚡ Power Up Fast, Stay Ready Longer — Jumpstart Like a Pro!
The GOOLOO GT4000S is a compact yet powerhouse 4000A peak jump starter designed for 12V vehicles up to 12L gas and 10L diesel engines. It features ultra-fast 100W two-way charging, a 3.2-inch LED status screen, and multiple safety protections. Beyond jump-starting, it doubles as a portable power bank with USB and 15V/12V output ports, plus a 400 lumen multi-mode flashlight, making it an indispensable tool for modern drivers seeking reliability and convenience.

| Manufacturer | GOOLOO |
| Brand | GOOLOO |
| Model | 4000A Car Battery Jump Starter |
| Product Dimensions | 9.98 x 22.99 x 5.38 cm; 1.99 kg |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | GT4000S |
| Manufacturer Part Number | GT4000S |
| Bulb Type | LED(Stable/Strobe/SOS) |
| Special Features | √100W max two-way super-fast charging supported. Fully charge in about 1.2 hours., √24 Months standby time., √3.2-inch screen displays real-time battery status., √400 lumen LED flashlight with 3 modes(SOS, SPOTLIGHT, STROBE)., √4000 Amps peak current cranking power., √A 15 volt 10A port for powering any 15V or 12V DC devices, such asw air compressor, car fridge, car vacuum cleaner, and more., √Battery Life: 1000+ Cycles., √IP65 water-resistant & 94V0 flame retardant, √Jump start vehicles up to 12L Gas/10L Diesel engines,including Hybrid cars., √Large battery capacity., √Powerful & handy portable jump starter for car battery. |
| Amperage | 4000 Amps |
| Voltage | 12 Volts |
| Item Weight | 1.99 Kilograms |
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