GOOLOO Jump Starter Power Bank - GP4000
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Product Information
Full details
The GOOLOO GP4000 is an essential roadside companion designed for vehicle owners who need a reliable, high-capacity emergency power source for both jump-starting engines and charging mobile devices. It is ideal for drivers of cars, trucks, RVs, and boats, offering the power to start up to 10.0L diesel engines, though its heavy-duty build means it is larger and heavier than entry-level portable power banks.
All features
| Model Part Number | GP4000 |
|---|---|
| Brand | GOOLOO |
Extended Product Information
FAQs
Can I use the GP4000 on my 10.0L diesel truck?
Yes, the GP4000 is specifically engineered to handle diesel engines up to 10.0L.
Does it need to be fully charged every time?
It is recommended to maintain a charge level above 50% for optimal jump-starting performance.
Are the jumper clamps spark-proof?
Yes, the device features spark-free technology for added safety during connection.
How long will the charge last in storage?
The device features a low self-discharge rate, but it is best practice to charge it every 3 months if not used.
Can I charge my smartphone and the jump starter at the same time?
It is recommended to use the unit primarily for jump-starting or charging devices, rather than doing both simultaneously, to protect the internal battery.
Is the device waterproof?
The GP4000 is drop-resistant and rugged, but it is not waterproof. Avoid submerging it or using it in heavy rain.
Troubleshooting
Device does not start the vehicle engine
Ensure the battery level is above 50%, check that clamps are making solid metal-to-metal contact with terminals, and ensure the clamps are connected with the correct polarity.
LED indicator flashes red/green
This indicates a safety protection trigger, such as a short circuit or reverse polarity. Disconnect the clamps, wait for the light to stabilize, and re-attempt the connection.
Unit will not charge
Verify the charging cable is fully inserted into the Type-C input port and confirm the power adapter used provides sufficient output (typically 5V/2A or higher).
Pros and Cons
Pros
- Capable of jump-starting massive engines up to 10.0L
- Comprehensive 10-point safety system prevents user error
- Versatile as a power bank for mobile devices
- Works in extreme cold and heat
- Includes all necessary accessories and a storage case
Cons
- Physically larger and heavier than standard phone chargers
- Requires manual maintenance of charge level
- May be overkill for small sedan owners
Setup, Compatibility & Care
To ensure the GP4000 is ready for use, keep the internal battery charged at least every three months. When jump-starting, ensure the device is charged to at least 50%. Always connect the red clamp to the positive terminal and the black clamp to the negative terminal; the intelligent cables will alert you if the connection is incorrect. After each use, inspect the clamps for debris and ensure the unit is stored in the included case to prevent damage to the ports. Keep the device away from moisture and direct sunlight when in storage.