Gooloo GT4000S Jump-Starter 4000 A Spitzenstrom

4000 A, 24000 mAh
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Product details

Gooloo GT4000S Jump-Starter

Discover the Gooloo GT4000S, the powerful jump starter booster with a peak current of 4000A, capable of reliably starting large 12L gasoline and 10L diesel engines. With 100W Fast Charging, the device is fully charged in just 1.2 hours – a mere 5 minutes of charging is enough for immediate use. The 100-watt USB-C port also makes the GT4000S the perfect power bank for laptops and MacBooks, while the 3.2" LED display provides precise status updates at any time.

For on-the-go use, the GT4000S impresses with 24 months of standby time, a 400-lumen flashlight with SOS, spotlight, and strobe functions, as well as 3 USB ports and a 15V/10A DC output. Thanks to its 10-fold safety protection, shock-resistant casing, and weather resistance, the GT4000S is the robust solution for cars, boats, trucks, or RVs.

  • 4000A peak current for 12L gasoline / 10L diesel engines
  • 800A starting current
  • 100 watt Power Delivery Fast Charging, fully charged in 1.2 hours
  • 5 minutes of charging = ready for immediate use
  • 100 watt USB-C Power Delivery charging port for laptops, MacBooks, and smartphones
  • 3.2" LED display with real-time status
  • 400-lumen flashlight (SOS/Spot/Strobe)
  • 24 months of standby time
  • 10-fold safety protection & weatherproof design with IP65 rating.

Key specifications

Jump start type
Jump start booster
Vehicle
AutoMotorbike
Power supply
Rechargeable battery operated
Safety function
Reverse polarityShort circuit

General information

Item number
64589138
Manufacturer
Gooloo
Category
Jump starters
Manufacturer no.
GT4000S
Release date
24.10.2025
Sales rank in Category Jump starters
81 of 737

Colour

Colour
BlackRed
Exact colour description
BlackRed

Jump starter properties

Jump start type
Jump start booster
Vehicle
AutoMotorbike
Starting current
800 A
Peak current
4000 A
Voltage
12V
Additional properties
Emergency lightPocket torchPowerbankVoltmeter display
Connections
USB-C

Energy supply

Power supply
Rechargeable battery operated

Battery / accumulator features

Capacity
24000 mAh
Power capacity
99.20 Wh
Charging time
1.20 h

Safety

Protection type (IP code)
IP65
Safety function
Reverse polarityShort circuit

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
223.08 kg
Climate contribution
CHF 5.31

Scope of delivery

Scope of delivery
BagBoostersStarter cableUSB-C cableUSB-C to USB-A cable

Product dimensions

Length
23 cm
Width
12.10 cm
Height
12.30 cm
Weight
1100 g

Package dimensions

Length
25.60 cm
Width
13 cm
Height
12 cm
Weight
1.94 kg

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Jump starters» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Gooloo
    Not enough data
  • 1.Dunlop
    0 %
  • 2.Einhell
    0.4 %
  • 2.Osram
    0.4 %
  • 4.Dino
    0.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Gooloo
    Not enough data
  • 1.Einhell
    0 days
  • 2.Baseus
    1 day
  • 2.Lokithor
    1 day
  • 4.Noco
    3 days

Return rate

How often is a product of this brand in the «Jump starters» category returned?

Source: Digitec Galaxus
  • 2.Osram
    1.1 %
  • 3.APA
    1.2 %
  • 4.Gooloo
    1.4 %
  • 5.Einhell
    1.5 %
  • 6.Lokithor
    1.7 %
Source: Digitec Galaxus