Lokithor J401
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 $79.95$79.95
The Lokithor J401 is the better jump starter overall, rated 4.2 to 3.6. The Lokithor J401 leads on features, value and capacity. The Lokithor J401 costs $20.04 less ($79.95 vs $99.99).
TOPDON JumpSurge 2000Pro
A mid-size pack with a boost mode for cars, SUVs and gas pickups up to 8 liters. Good if you want a protective case and a trusted brand, but it recharges slowly.
Amazon $99.99$99.99
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 Lokithor J401 for features (manual override, rated to -4 °F, USB-C charging, IP65 vs manual override, USB-C charging; rated to 14 °F), value ($79.95 for its size vs $99.99 for its size) and capacity (74 Wh battery vs 59.2 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 | Lokithor J401 | TOPDON JumpSurge 2000Pro |
|---|---|---|
| Overall rating | 4.2/5 | 3.6/5 |
| Value 40% | 90 $79.95 for its size | 79 $99.99 for its size |
| Features 35% | 90 manual override, rated to -4 °F, USB-C charging, IP65 | 62 manual override, USB-C charging; rated to 14 °F |
| Capacity 15% | 73 74 Wh battery | 49 59.2 Wh battery |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Lokithor J401 | TOPDON JumpSurge 2000Pro | |
|---|---|---|
| Starting | ||
| Rated engines | 8.5 L gas, 6.5 L diesel | 8 L gas, 6 L diesel |
| Peak amps (maker) | 2,500 A | 2,500 A |
| Cranking amps | 1,500 A | 550 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | -4 °F | 14 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 59.2 Wh |
| Capacity (mAh) | - | 16,000 mAh |
| USB-C input | 60 W | 18 W |
| Recharge time | 0.8 hours | - |
| USB outputs | USB-C 60 W, USB-A 18 W | USB-C 18 W, USB-A 5 V/3 A, USB-A 5 V/2 A, 16.8 V DC 10 A |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | IP65 | - |
| Dimensions | 9.45 x 4.19 x 2.36 in | 10.5 x 6.2 x 4 in |
| Warranty | 1 year | 1 year |