A cheap, compact pack that covers most cars and gas pickups, with a boost mode and fast USB-C recharging. Worth it for anyone who wants a capable starter without paying brand-name prices.
Amazon $79.95The Lokithor J401 is the better jump starter overall, rated 4.2 to 4.1. The Lokithor J401 leads on value. The Hulkman Alpha 85 wins on warranty. The Lokithor J401 costs $30.03 less ($79.95 vs $109.98).
A good-value pick for cars, SUVs and gas pickups up to a V8, with a force-start mode and fast recharging. Buy the Alpha 85S instead if you live somewhere with hard winters.
Amazon $109.98Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Lokithor J401 for value ($79.95 for its size vs $109.98 for its size).
- Choose the Hulkman Alpha 85 for warranty (2-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 | Lokithor J401 | Hulkman Alpha 85 |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Value 40% | 90 $79.95 for its size | 74 $109.98 for its size |
| Features 35% | 90 manual override, rated to -4 °F, USB-C charging, IP65 | 85 manual override, USB-C charging, IP65; rated to 5 °F |
| Capacity 15% | 73 74 Wh battery | 73 74 Wh battery |
| Warranty 10% | 0 1-year warranty | 50 2-year warranty |
Specifications
| Lokithor J401 | Hulkman Alpha 85 | |
|---|---|---|
| Starting | ||
| Rated engines | 8.5 L gas, 6.5 L diesel | 8.5 L gas, 6 L diesel |
| Peak amps (maker) | 2,500 A | 2,000 A |
| Cranking amps | 1,500 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | -4 °F | 5 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 74 Wh |
| Capacity (mAh) | - | 20,000 mAh |
| USB-C input | 60 W | 65 W |
| Recharge time | 0.8 hours | 1.5 hours |
| USB outputs | USB-C 60 W, USB-A 18 W | USB-C 18 W, USB-A QC3.0 18 W |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | IP65 | IP65 |
| Dimensions | 9.45 x 4.19 x 2.36 in | 8.97 x 4.05 x 1.81 in |
| Warranty | 1 year | 2 years |
