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GOOLOO A3 3000A Jump Starter with Air Compressor vs GOOLOO GP4000 4000A 12V Jump Starter

These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.

GOOLOO A3 3000A Jump Starter with Air Compressor

One glovebox tool for a flat battery and a soft tire

The A3 pairs a 3000-amp jump starter, rated by GOOLOO for 9.0L gas and 6.5L diesel, with a 150 PSI inflator that stops at a preset pressure. GOOLOO's guide limits you to three consecutive starts two minutes apart, and asks for a 30-minute cool-down before recharging.

Published specifications

  • GOOLOO: 3000 A peak; gas up to 9.0 L, diesel up to 6.5 L; 12V only
  • Guide: max 3 consecutive starts, 2 minutes apart; cool 30 min before recharging
  • Guide: full charge in about 4-5 hours; 5V/2A wall charger not included
  • Guide: recharge after each use, before long trips, and every 3 months in storage
  • GOOLOO: 150 PSI inflator, 35 L/min, 5 preset modes, automatic shut-off
  • Warranty stated as 18 months on the listing and 'up to 30 months' by GOOLOO

Strengths

  • Jump starter and a 150 PSI auto-stop inflator in one body, with five preset modes
  • GOOLOO publishes explicit usage limits, LED meanings and a recharge schedule
  • Also works as a USB power bank and an LED flashlight with SOS mode

Caveats

  • Guide's storage range (14-113°F) is far narrower than the -4 to 140°F advertised
  • Only three consecutive starts, and no charging devices while jump-starting
  • GOOLOO's A3 manual PDF is an image-only scan, and warranty length is stated two ways

Check this model on Amazon

Read the full GOOLOO A3 3000A Jump Starter with Air Compressor guide

GOOLOO GP4000 4000A 12V Jump Starter

Larger gas and diesel engines, plus 12V accessory power

The GP4000 is a 4000-amp pack that GOOLOO rates for all gas engines and diesels up to 10 litres, with a 150-watt 12V output and a cigarette-lighter adapter. Its manual limits you to three consecutive starts two minutes apart and asks for a 30-minute cool-down before recharging.

Published specifications

  • Manual: GP4000 (Epower-137B), 4000 A peak, 800 A starting current
  • Manual: capacity given as 74Wh/5000mAh on GOOLOO's site, 99.2Wh on the listing copy
  • Manual: max 3 consecutive starts, 2 minutes apart; cool 30 min before recharging
  • Manual: full charge 6-8 hours at 5V/3A; wall charger not included
  • Manual: operate -20°C to 60°C; charge only at -10°C to 45°C; recharge every 3 months
  • Manual: 18-month warranty, original purchaser with receipt or order ID

Strengths

  • Smart cable reads out connection, reverse polarity and low voltage on one light
  • 15V/10A DC output and a cigarette-lighter adapter for running 12V accessories
  • GOOLOO publishes a full text manual, a troubleshooting guide and clear usage limits

Caveats

  • Three published battery capacities for one model: 74Wh, 99.2Wh and 24000 mAh
  • Only three consecutive starts, and no recharging for 30 minutes afterwards
  • The manual lists yachts as supported and then forbids use on boats

Check this model on Amazon

Read the full GOOLOO GP4000 4000A 12V Jump Starter guide

How to choose between them

Choose the GOOLOO A3 3000A Jump Starter with Air Compressor if your situation matches: One glovebox tool for a flat battery and a soft tire. Its main caveat: Guide's storage range (14-113°F) is far narrower than the -4 to 140°F advertised.

Choose the GOOLOO GP4000 4000A 12V Jump Starter if your situation matches: Larger gas and diesel engines, plus 12V accessory power. Its main caveat: Three published battery capacities for one model: 74Wh, 99.2Wh and 24000 mAh.

Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.

Primary sources

  1. GOOLOO A3 jump starter with air compressor, complete user guide Source for GOOLOO A3 3000A Jump Starter with Air Compressor
  2. GOOLOO product page for the A3 3000A Supersafe jump starter with air compressor Source for GOOLOO A3 3000A Jump Starter with Air Compressor
  3. GOOLOO product manuals index listing the A3 user manual Source for GOOLOO A3 3000A Jump Starter with Air Compressor
  4. GOOLOO GP4000 user manual, English section (maker manuals index copy) Source for GOOLOO GP4000 4000A 12V Jump Starter
  5. GOOLOO product manuals index listing the GP4000 manual Source for GOOLOO GP4000 4000A 12V Jump Starter
  6. GP4000 manual revision attached to the listing, with a different specification table Source for GOOLOO GP4000 4000A 12V Jump Starter
  7. GOOLOO GP4000 jump starter troubleshooting guide, updated June 16, 2026 Source for GOOLOO GP4000 4000A 12V Jump Starter

Primary sources checked .