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GOOLOO GP4000 4000A 12V Lithium Jump Starter for Gas and Diesel Engines up to 10.0 L, with USB-C Power Bank
4000A for engines up to 10.0 L 60+ jump starts per charge

Official product photos: GOOLOO · source More photos on Amazon

Best value for big engines GOOLOO · Car Electronics

GOOLOO GP4000 4000A 12V Lithium Jump Starter for Gas and Diesel Engines up to 10.0 L, with USB-C Power Bank

4000 peak amps for gas and diesel engines up to 10.0 L, plus a USB-C power bank — at a budget-friendly price.

RightScore Score pending
Best for Emergencies Cold weather Road trips

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  • 4000A for engines up to 10.0 L
  • 60+ jump starts per charge
  • USB-C in/out + dual USB

At a glance

Our verdict

—

Lots of starting power for the money, with clamps that tell you when the connection is right — a sensible pick for trucks and diesels on a budget. The catches: it takes about 5 hours to recharge, the wall charger is not included,...

RightScore appears once live prices from licensed store feeds are connected — we never guess a number.

Read the full verdict

Best for

  • Emergencies
  • Cold weather
  • Road trips

Best thing: High peak current for the price

Honest catch: About 5 hours to recharge; wall charger not included

Our verdict

Lots of starting power for the money, with clamps that tell you when the connection is right — a sensible pick for trucks and diesels on a budget. The catches: it takes about 5 hours to recharge, the wall charger is not included, and GOOLOO's page gives no battery capacity, size or weight to compare.
RightDeals research · checked 11 Oct 2026
If you drive a pickup, a large SUV or a diesel, a small jump starter may not be enough. The GP4000 is rated at 4000 peak amps for 12V gas and diesel engines up to 10.0 L, and GOOLOO says one full charge delivers 60+ jump starts. Smart clamps with spark-proof and reverse-polarity protection show a green light when you are connected correctly, it works from -4°F to 140°F, and the dual USB ports plus a USB-C input/output let it charge phones and tablets. GOOLOO also claims it can hold its charge on standby for up to 24 months.

Why you’ll like it

  1. 01

    Covers big engines: rated for 12V gas and diesel engines up to 10.0 L.

  2. 02

    Hard to connect wrong: smart clamps are spark-proof, reverse-polarity protected and show a green light when ready.

  3. 03

    Lasts between uses: 60+ jump starts per charge and up to 24 months on standby, per GOOLOO.

  4. 04

    Useful every day: charge your phone or tablet from the USB and USB-C ports.

Great for

  • Pickup, large SUV and diesel owners on a budget
  • Drivers in cold climates

Maybe skip it if

  • You want a brand with detailed published specs and a longer track record (consider NOCO)

Where it shines

How well it suits each use, based on its specifications.

  • Emergencies Great
  • Cold weather Great
  • Road trips Good
  • Phone charging OK

Pros & cons

Pros

  • High peak current for the price
  • Smart clamps with clear status lights
  • Works in cold weather down to -4°F
  • Flashlight with strobe and SOS modes

Cons

  • About 5 hours to recharge; wall charger not included
  • No battery capacity, size or weight published on GOOLOO's page

Based on the maker’s specifications and published information — every point is checked against a named source.

Where to buy

Stores we link to in US. We show a price only when it is live.

Prices for United States in USD
Amazon

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Specifications

General

Operating temperature
-4°F to 140°F (-20°C to 60°C)
In the box
Jump starter, smart jumper cables, USB-C cable, EVA case

Battery

Jump starts per charge
60+
Recharge time
About 5 h (USB-C wall charger or 12V car outlet)

Connectivity

Ports
Dual USB (one fast-charging) + USB-C input/output

Features

Safety
Spark-proof smart clamps, reverse polarity protection
Flashlight
LED with flashlight, strobe and SOS modes

Performance

Engine size
Up to 10.0 L gas and diesel (12V)

Power

Peak current
4,000 A

Source: RightDeals research · verified 2026-10-11

Our score is on its way

We publish it only once enough real data is in — see how we rank products.

How We Rank Products

What buyers say

We only show star ratings we are licensed to display. Read verified buyer reviews and photos directly on Amazon.

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Questions people ask

How do I know the clamps are connected correctly?

Wait for a solid green light on the clamp before starting. A steady red light with beeping means the connection needs to be reversed.

Does it work on 24V trucks?

No. GOOLOO states its jump starters can only jump-start 12V batteries.

Sources & method

Researched from the maker’s specifications, the store listing and published information — not lab-tested. We never accept payment for a recommendation.

How We Rank Products · Editorial policy

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