Hulkman Alpha 85
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 $109.98$109.98
The Hulkman Alpha 85 is the better jump starter overall, rated 4.1 to 3.9. The Hulkman Alpha 85 leads on value and warranty. The TOPDON JS3000 wins on capacity. The Hulkman Alpha 85 costs $30.01 less ($109.98 vs $139.99).
TOPDON JS3000
A truck-capable pack for gas engines up to 9 liters that doubles as a 45 W USB-C laptop power bank. Worth it if you want TOPDON quality and a carry case.
Amazon $139.99$139.99
Prices 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 Hulkman Alpha 85 for value ($109.98 for its size vs $139.99 for its size) and warranty (2-year warranty vs 1-year warranty).
- Choose the TOPDON JS3000 for capacity (88.8 Wh battery vs 74 Wh battery).
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 | Hulkman Alpha 85 | TOPDON JS3000 |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 40% | 74 $109.98 for its size | 58 $139.99 for its size |
| Features 35% | 85 manual override, USB-C charging, IP65; rated to 5 °F | 90 manual override, rated to -4 °F, USB-C charging, IP54 |
| Capacity 15% | 73 74 Wh battery | 98 88.8 Wh battery |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
Specifications
| Hulkman Alpha 85 | TOPDON JS3000 | |
|---|---|---|
| Starting | ||
| Rated engines | 8.5 L gas, 6 L diesel | 9 L gas, 7 L diesel |
| Peak amps (maker) | 2,000 A | 3,000 A |
| Cranking amps | - | 750 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | 5 °F | -4 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 88.8 Wh |
| Capacity (mAh) | 20,000 mAh | 24,000 mAh |
| USB-C input | 65 W | 45 W |
| Recharge time | 1.5 hours | - |
| USB outputs | USB-C 18 W, USB-A QC3.0 18 W | USB-C 45 W, USB-A QC 18 W, USB-A 5 V/2 A, 16.8 V DC 10 A |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | IP65 | IP54 |
| Dimensions | 8.97 x 4.05 x 1.81 in | 11.18 x 5.79 x 4.72 in |
| Warranty | 2 years | 1 year |