GOOLOO GT3000 3000A 12V Jump Starter vs GOOLOO GT4000S 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 GT3000 3000A 12V Jump Starter
A light glovebox pack that doubles as a 65-watt USB-C power bank
A 1.32-pound 12-volt pack the manual rates at 3,000 amps peak and 400 amps starting current, with a two-way 65-watt USB-C port that fills it in about fifty minutes if you supply the charger. Its manual gives 44.4 watt hours where the listing says 12,000 milliamp hours.
Published specifications
- Manual: 3000 A peak, 400 A starting current, 12 V only
- Manual: 44.4 Wh / 3000 mAh at 14.8 V; listing says 12,000 mAh
- Manual: 6.97 x 3.43 x 1.50 in, 1.32 lb; listing field says 1.59 lb
- Manual: USB-C in and out PD 65 W max; USB-A out 18 W max
- Manual: full charge 0.8 h with a 65 W charger, not included
- Manual: operating -4 to 131 F; over 1,000 cycles; 18-month warranty
Strengths
- Two-way 65-watt USB-C fills the pack in about fifty minutes
- Manual publishes size, weight, watt hours and both port ratings
- Light enough at 1.32 pounds to live in a glovebox or console
Caveats
- The 65-watt charger that makes the 0.8 hour claim work is not included
- Capacity and weight are stated two different ways across the sources
- Listing bullet promises a USB-C to USB-C cable the manual does not list
GOOLOO GT4000S 4000A 12V Jump Starter
Larger engines plus a 150-watt DC accessory port in one pack
A 12-volt pack the manual rates at 4,000 amps peak and 800 amps starting current, with two-way PD 100-watt USB-C, two USB outputs and a 150-watt DC output the manual says is output only. The box includes a 100-watt car charger and a cigarette lighter adapter, but no wall charger.
Published specifications
- Manual: 4000 A peak, 800 A starting current; listing field says 1000 A
- Manual: 74 Wh / 5000 mAh at 14.8 V; listing says 20,000 mAh
- Manual: USB-C in and out PD 100 W max, 20V/5A; QC3.0 18 W; 5V/2.4A
- Manual: DC out 15V/10A, 150 W max, and output only, not a charge port
- Manual: about 1.2 h full charge with a PD100W wall charger, not supplied
- Manual: operating -4 to 140 F, over 1,000 cycles, 18-month warranty
Strengths
- Box includes a 100-watt car charger and a cigarette lighter adapter
- Two-way PD 100-watt USB-C, which the listing says also charges a laptop
- 150-watt DC output runs inflators and inverters, per the listing
Caveats
- DC port cannot recharge the pack, which the manual states outright
- Capacity and starting current differ between the manual and the listing
- The 60-start, five-minute and 24-month standby claims are seller copy only
How to choose between them
Choose the GOOLOO GT3000 3000A 12V Jump Starter if your situation matches: A light glovebox pack that doubles as a 65-watt USB-C power bank. Its main caveat: The 65-watt charger that makes the 0.8 hour claim work is not included.
Choose the GOOLOO GT4000S 4000A 12V Jump Starter if your situation matches: Larger engines plus a 150-watt DC accessory port in one pack. Its main caveat: DC port cannot recharge the pack, which the manual states outright.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- GOOLOO GT3000 user manual from GOOLOO's own file store Source for GOOLOO GT3000 3000A 12V Jump Starter
- GOOLOO product page for the GT3000 Source for GOOLOO GT3000 3000A 12V Jump Starter
- GOOLOO product manual index listing the GT3000 guide Source for GOOLOO GT3000 3000A 12V Jump Starter
- GOOLOO GT4000S series user manual, model JS-271, from GOOLOO's own file store Source for GOOLOO GT4000S 4000A 12V Jump Starter
- GOOLOO product manual index listing the GT4000S guide Source for GOOLOO GT4000S 4000A 12V Jump Starter
Primary sources checked .