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 3.4. The Lokithor J401 leads on features. The Lokithor J401 costs $8.44 less ($79.95 vs $88.39).
Stanley J5C09D
#16 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
Prices were last checked October 30, 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 basic).
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 | Stanley J5C09D |
|---|---|---|
| Overall rating | 4.2/5 | 3.4/5 |
| Value 40% | 90 $79.95 for its size | 85 $88.39 for its size |
| Features 35% | 90 manual override, rated to -4 °F, USB-C charging, IP65 | 35 basic |
| Capacity 15% | 73 74 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Lokithor J401 | Stanley J5C09D | |
|---|---|---|
| Starting | ||
| Rated engines | 8.5 L gas, 6.5 L diesel | Cars and trucks up to V8 (no liter rating) |
| Peak amps (maker) | 2,500 A | 1,200 A |
| Cranking amps | 1,500 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 74 Wh | - |
| USB-C input | 60 W | - |
| Recharge time | 0.8 hours | 40 hours |
| USB outputs | USB-C 60 W, USB-A 18 W | 3x USB-A 15 W |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | Yes |
| Water resistance | IP65 | - |
| Dimensions | 9.45 x 4.19 x 2.36 in | 13.3 x 11.3 x 8.1 in |
| Weight | - | 14.6 lb |
| Warranty | 1 year | 1 year |
| Released | 2022-07 | - |