GOOLOO A3
#10 in Trucks and V8sFull review
A low-cost combined jump starter and tire inflator that handles most cars and gas pickups. A sensible single roadside tool for most drivers.
Amazon $89.99$89.99
The GOOLOO A3 is the better jump starter overall, rated 3.7 to 3.4. The GOOLOO A3 leads on features and warranty. The Stanley J5C09D costs $1.60 less ($88.39 vs $89.99).
Prices were last checked November 9, 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.
Stanley J5C09D
#15 in Trucks and V8sFull review
For a garage that wants a low-cost booster and tire inflator in one box. Drivers who keep a jump starter in the car will prefer a lighter lithium pack that recharges in hours.
Amazon $88.39$88.39
Which should you buy?
- Choose the GOOLOO A3 for features (manual override, rated to -4 °F, USB-C charging vs basic) and warranty (1.5-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every trucks and v8s jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | GOOLOO A3 | Stanley J5C09D |
|---|---|---|
| Overall rating | 3.7/5 | 3.4/5 |
| Value 40% | 84 $89.99 for its size | 85 $88.39 for its size |
| Features 35% | 67 manual override, rated to -4 °F, USB-C charging | 35 basic |
| Capacity 15% | 24 44.4 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 25 1.5-year warranty | 0 1-year warranty |
Specifications
| GOOLOO A3 | Stanley J5C09D | |
|---|---|---|
| Starting | ||
| Rated engines | 9 L gas, 6.5 L diesel | Cars and trucks up to V8 (no liter rating) |
| Peak amps (maker) | 3,000 A | 1,200 A |
| Cranking amps | 400 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 44.4 Wh | - |
| USB-C input | 10 W | - |
| Recharge time | - | 40 hours |
| USB outputs | USB-C 5 V/2 A, USB-A 5 V/2.4 A | 3x USB-A 15 W |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | Yes | Yes |
| Dimensions | 8.2 x 5.2 x 2.3 in | 13.3 x 11.3 x 8.1 in |
| Weight | 2.2 lb | 14.6 lb |
| Warranty | 1.5 years | 1 year |
| Released | 2025-04 | - |