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 capacity, features and value. The Schumacher SL1674 wins on warranty. The Lokithor J401 costs $28.99 less ($79.95 vs $108.94).
Schumacher SL1674
For drivers who want a light pack that handles most cars and V8s for around $110, with a longer warranty than NOCO. Those who need quick recharges should look at a 60 W USB-C model.
Amazon $108.94$108.94
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 capacity (74 Wh battery vs 37 Wh battery), features (manual override, rated to -4 °F, USB-C charging, IP65 vs manual override, USB-C charging) and value ($79.95 for its size vs $108.94 for its size).
- Choose the Schumacher SL1674 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 | Schumacher SL1674 |
|---|---|---|
| Overall rating | 4.2/5 | 3.6/5 |
| Value 40% | 90 $79.95 for its size | 74 $108.94 for its size |
| Features 35% | 90 manual override, rated to -4 °F, USB-C charging, IP65 | 67 manual override, USB-C charging |
| Capacity 15% | 73 74 Wh battery | 12 37 Wh battery |
| Warranty 10% | 0 1-year warranty | 50 2-year warranty |
Specifications
| Lokithor J401 | Schumacher SL1674 | |
|---|---|---|
| Starting | ||
| Rated engines | 8.5 L gas, 6.5 L diesel | 8 L gas, 4.5 L diesel |
| Peak amps (maker) | 2,500 A | 1,500 A |
| Cranking amps | 1,500 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 37 Wh |
| USB-C input | 60 W | 18 W |
| Recharge time | 0.8 hours | 5 hours |
| USB outputs | USB-C 60 W, USB-A 18 W | USB-C 3 A, USB-A 3 A, 10 W wireless pad |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | IP65 | - |
| Dimensions | 9.45 x 4.19 x 2.36 in | 9.83 x 4.81 x 5.12 in |
| Weight | - | 2 lb |
| Warranty | 1 year | 2 years |
| Released | - | 2025-05 |