WOLFBOX MegaVolt 16Air
For drivers who want one box for dead batteries and low tires, on cars, SUVs and gas pickups up to 8 liters. Good value for a combo unit.
Amazon $119.99$119.99
The WOLFBOX MegaVolt 16Air is the better jump starter overall, rated 3.7 to 3.6. The WOLFBOX MegaVolt 16Air leads on capacity. The Schumacher SL1674 wins on value. The Schumacher SL1674 costs $16.50 less ($103.49 vs $119.99).
Schumacher SL1674
#13 in Trucks and V8sFull review
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 $103.49$103.49
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 WOLFBOX MegaVolt 16Air for capacity (59.2 Wh battery vs 37 Wh battery).
- Choose the Schumacher SL1674 for value ($103.49 for its size vs $119.99 for its size).
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 | WOLFBOX MegaVolt 16Air | Schumacher SL1674 |
|---|---|---|
| Overall rating | 3.7/5 | 3.6/5 |
| Value 40% | 68 $119.99 for its size | 77 $103.49 for its size |
| Features 35% | 70 rated to -4 °F, USB-C charging, IP64 | 67 manual override, USB-C charging |
| Capacity 15% | 49 59.2 Wh battery | 12 37 Wh battery |
| Warranty 10% | 50 2-year warranty | 50 2-year warranty |
Specifications
| WOLFBOX MegaVolt 16Air | Schumacher SL1674 | |
|---|---|---|
| Starting | ||
| Rated engines | 8 L gas, 6 L diesel | 8 L gas, 4.5 L diesel |
| Peak amps (maker) | 3,000 A | 1,500 A |
| Voltage | 12 V | 12 V |
| Manual override | - | Yes |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 59.2 Wh | 37 Wh |
| Capacity (mAh) | 16,000 mAh | - |
| USB-C input | 65 W | 18 W |
| Recharge time | 1.5 hours | 5 hours |
| USB outputs | USB-C 65 W, USB-A 18 W, USB-A 12 W | USB-C 3 A, USB-A 3 A, 10 W wireless pad |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | Yes | No |
| Water resistance | IP64 | - |
| Dimensions | 9.37 x 5.28 x 2.17 in | 9.83 x 4.81 x 5.12 in |
| Weight | - | 2 lb |
| Warranty | 2 years | 2 years |
| Released | - | 2025-05 |