GOOLOO GP4000 4000A 12V Jump Starter

The GOOLOO GP4000 is a 12V lithium jump starter with a claimed 4000A peak output and USB charging ports. Its stated engine coverage includes all petrol engines and diesel engines up to 10.0L, while the built-in light and power-bank functions add roadside utility.

At a glance

The listing states a 4000A peak output and coverage for all gasoline engines and diesel engines up to 10.0L.
Dual USB outputs, including one described as fast charging, plus USB Type-C at 5V/3A can charge portable devices.
A separate 15V 10A output is claimed for compatible vehicle accessories such as an air compressor or car fridge.
Built-in LED light has Normal, Strobe and SOS modes, according to the listing.

Price

$109.98Save 29%

Reference price: ~~$154.49~~

Price checked: 12 Nov 2026

View offer

Pros and cons

Pros

Combines a jump starter and portable-device charging in one unit, with USB, USB Type-C and a separate 15V 10A output.
The listing includes a built-in emergency light with three modes.
The specified 820-gram weight and compact listed dimensions make the unit relatively easy to store in a vehicle.

Cons

A wall charger is explicitly stated not to be included, so charging the unit requires a suitable charger obtained separately.

Technical specifications

17 specifications

Identity
Brand	GOOLOO
Model	GP4000

Starting and battery
Peak output current	4000 Amps
Battery type	Lithium Polymer
Battery capacity	24000 Milliamp Hours
Voltage	12 Volts
Claimed engine coverage	All gasoline engines and diesel engines up to 10.0L

Charging and lighting
USB outputs	Dual USB charging output ports (one supports fast charging)
USB Type-C port	5V/3A
Additional output port	15V 10A Output Port
LED light modes	3 Lighting Modes: Normal, Strobe And SOS. Work continuously for more than 96 hours.

Dimensions and weight
Dimensions listed	22.8D x 10W x 3.8H centimetres
Weight listed	820 Grams

Vehicle compatibility
Vehicle types listed	ATV, Lawn Mower, Motorcycle, Passenger Car, RV, Snowmobile, Tractor, Truck

Other claimed features
Standby time	24-month standby time when fully charged
Operating temperature range	-4°F to 140°F
Warranty description	18-Month warranty

What to know before buying

The listing's engine coverage, 4000A peak output, cold-weather operation, standby time and protection features are manufacturer claims, not independent test results. Confirm the vehicle and battery are within the stated 12V and engine-size limits before use.

What’s in the box

EVA storage caseIncluded
GOOLOO Portable Car Battery Jump Starter GP4000Included
Smart jumper cableIncluded
USB to Type-C cableIncluded
User manualCheck selected pack
Wall chargerNot included

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Drivers wanting a portable jump starter that also charges phones and other USB devices.
Vehicle owners whose listed vehicle type and engine fall within the stated coverage, including petrol engines and diesel engines up to 10.0L.
Buyers seeking an emergency light and a separate output for compatible 15V accessories.

Less suited to

Anyone needing a wall charger included in the package.
Owners of vehicles outside the stated 12V and engine coverage.

GOOLOO GP4000 4000A 12V Jump Starter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 46 ratings

5 stars90%90%
4 stars6%6%
3 stars2%2%
2 stars0%0%
1 star2%2%

Customer feedback reports good quality and effective starting, including vehicles starting on the first attempt. These are customer-reported experiences rather than a guarantee. The 4.8 out of 5 rating across 46 ratings is positive overall, but ratings alone do not establish performance for every vehicle or condition.

Positive themes

Customers describe the unit as good quality.
Customers report effective starting, including first-attempt starts.

Frequently asked questions

What engine sizes does the listing say the GP4000 supports?

It claims support for all gasoline engines and diesel engines up to 10.0L. Check your vehicle's 12V system and engine size against the product guidance.

Can it charge phones or other portable devices?

The listing specifies dual USB outputs, with one described as supporting fast charging, and a USB Type-C port rated at 5V/3A.

Is a wall charger included?

No. The listing explicitly says the wall charger is not included.

What does the built-in light offer?

The listing describes Normal, Strobe and SOS modes. It claims more than 96 hours of continuous operation, without specifying which mode or conditions apply.