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
3.2/5
For drivers of trucks and large SUVs who want a jump starter and tire inflator in one box. The LiFePO4 battery should outlast ordinary lithium packs.
- 9 L gas, 7 L dieselEngines
- 46.1 WhBattery
- YesOverride
- 1 yearWarranty
Check price at Amazon$169.95
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts gas engines up to 9 L and diesels up to 7 L
- Built-in 150 PSI tire inflator stops at a preset pressure
- LiFePO4 cells last for thousands of cycles and are less prone to overheating
- Forced-start mode jumps a battery too flat to be detected
- Recharges in about an hour from a 60 W USB-C charger
Cons
- Smaller 46 Wh battery than similar lithium packs, so fewer phone charges
- Only a 12-month warranty
- No stated water resistance
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.
Specifications
| Model number | JA3000 PRO |
|---|---|
| Starting | |
| Rated engines | 9 L gas, 7 L diesel |
| Peak amps (maker) | 3,000 A |
| Cranking amps | 1,500 A |
| Voltage | 12 V |
| Manual override | Yes |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium iron phosphate (LiFePO4) |
| Capacity | 46.1 Wh |
| USB-C input | 60 W |
| Recharge time | 1 hours |
| USB outputs | USB-C 60 W, USB-A 18 W |
| Build | |
| Flashlight | Yes |
| Air compressor | Yes |
| Dimensions | 9.99 x 5.57 x 4.07 in |
| Warranty | 1 year |
Alternatives in this engine size
NOCO Boost X GBX55
For owners of V8 cars, half-ton pickups and mid-size SUVs who want a light pack that recharges fast over USB-C. It is the sweet spot of NOCO’s Boost X line for most drivers.
Amazon $174.95$174.95
Clore Jump-N-Carry JNC660
#11 in Trucks and V8sFull review
For garages, fleets and anyone who keeps a booster on a charger in the shop and wants something simple and durable. Drivers who want a pack for the glove box should get a lithium starter.
Amazon $126.02$126.02
Compare
Compare the Lokithor JA3000 Pro with any other jump starter →
More from Lokithor: every Lokithor product ranked.