The GOOLOO A9 Ultra is the better jump starter overall, rated 4.0 to 3.0. The GOOLOO A9 Ultra leads on features, value and warranty. The GOOLOO A9 Ultra costs $57.13 less ($199.99 vs $257.12).
Prices were last checked November 11, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
GOOLOO’s top combined jump starter and inflator, rated for any gas engine and big diesels, with fast 100 W USB-C charging. Worth it if you want one heavy-duty tool for trucks, RVs and travel.
Amazon $199.99For diesel, marine and equipment shops that start large 12 V engines all day. It is far more than any personal vehicle needs.
Amazon $257.12Each factor is scored 0-100 against the same fixed reference points for every heavy duty jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | GOOLOO A9 Ultra | Clore Truck PAC ES6000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.0/5 |
| Value 40% | 71 $199.99 for its size | 55 $257.12 for its size |
| Features 35% | 80 manual override, rated to -4 °F, USB-C charging | 35 basic |
| Capacity 15% | 75 99.9 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 25 1.5-year warranty | 0 1-year warranty |
| GOOLOO A9 Ultra | Clore Truck PAC ES6000 | |
|---|---|---|
| Starting | ||
| Rated engines | all gas, 12 L diesel | Large trucks, farm, construction and fleet vehicles; virtually any 12 V vehicle (no liter rating) |
| Peak amps (maker) | 6,000 A | 3,000 A |
| Cranking amps | 480 A | 800 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 99.9 Wh | - |
| Capacity (mAh) | 27,000 mAh | - |
| USB-C input | 100 W | - |
| Recharge time | 1.5 hours | - |
| USB outputs | USB-C 100 W, USB-A 5 V/2.4 A | - |
| Build | ||
| Flashlight | Yes | No |
| Air compressor | Yes | No |
| Dimensions | 11.4 x 6.49 x 3.18 in | - |
| Weight | 4.8 lb | 41 lb |
| Warranty | 1.5 years | 1 year |
| Released | 2026-09 | - |
