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Best for Diesels up to 10 LitersGOOLOO · Model GP4000

GOOLOO GP4000 4000A Jump Starter Review

A 4,000-amp lithium jump starter rated for 12 V gasoline and diesel engines up to 10.0 L, with an 88.8 Wh battery and 60+ jump starts per charge.

By · Updated

This page was drafted with AI assistance from manufacturers' specs and manuals, and is checked by our editor.

Image: GOOLOOGOOLOO GP4000 4000A Jump Starter

Our verdict

Buy it if you own a large diesel truck between 7 and 10 liters. For a car or half-ton truck, a smaller IP65-rated starter is the better tool.

Pros and cons

Pros

  • Rated for gasoline and diesel engines up to 10.0 L, higher than any other starter we cover that publishes an engine rating
  • 60+ jump starts per charge, by GOOLOO's figures
  • Rated to work from -4°F to 140°F
  • Up to 30 months of warranty

Cons

  • No water or dust rating; GOOLOO lists IP65 only for its GT4000
  • Weight and dimensions are not published
  • Wall charger is not included, and a full recharge takes about 5 hours

Specifications

Peak current4,000 A
Gas enginesUp to 10.0 L
Diesel enginesUp to 10.0 L
Battery capacity88.8 Wh
Jump starts per charge60+
USB outputUSB-C in and out, plus two USB-A ports (one fast-charging); per-port wattage not listed
Recharge timeAbout 5 hours with USB-C and a wall charger (not included)
FlashlightFlashlight, strobe and SOS modes
Water and dust ratingNo IP rating listed
WarrantyUp to 30 months

Who it suits

Owners of heavy-duty diesel pickups, vans and equipment up to 10.0 L. GOOLOO rates the GP4000 for 12 V gasoline and diesel engines up to 10.0 L, which goes past the 7.0 L diesel rating of the NOCO GB150. See GP4000 vs GB150.

Who should skip it

Anyone who keeps a starter where it can get wet: GOOLOO lists no IP rating for the GP4000. Drivers of ordinary cars do not need 4,000 amps; a smaller starter such as the NOCO GBX45 is easier to carry.

What we could not confirm

GOOLOO's pages do not give the GP4000's weight, dimensions, flashlight brightness or per-port USB wattage. The 88.8 Wh battery figure comes from GOOLOO's FAQ. GOOLOO's pages also disagree on the number of protection features (eight or ten), so we do not quote a number.

Frequently asked questions

What engines can the GOOLOO GP4000 start?
GOOLOO rates it for 12 V gasoline and diesel engines up to 10.0 liters.
Is the GOOLOO GP4000 waterproof?
GOOLOO lists no water or dust rating for the GP4000. Its FAQ gives an IP65 rating only for the GT4000.
How long does the GP4000 take to charge?
About 5 hours with a USB-C wall charger, which is sold separately, or from a 12 V car outlet, according to GOOLOO.

Sources

The specifications and claims on this page come from these manufacturer documents. Figures are the manufacturers' own unless the text says otherwise.

  1. GOOLOO GP4000 product page
  2. GOOLOO FAQ

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GOOLOO GP4000 4000A Jump Starter

Editorial score:8.1/10
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