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 3.1. The WOLFBOX MegaVolt 16Air leads on features and warranty. The WOLFBOX MegaVolt 16Air costs $2.51 less ($119.99 vs $122.50).
Schumacher SJ1332
#22 in Trucks and V8sFull review
For campers and tailgaters who want one box that jumps a truck, pumps tires and runs small AC gear. Drivers who only need a jump should buy a lighter lithium pack.
Amazon $122.50$122.50
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 features (rated to -4 °F, USB-C charging, IP64 vs basic) and 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 | WOLFBOX MegaVolt 16Air | Schumacher SJ1332 |
|---|---|---|
| Overall rating | 3.7/5 | 3.1/5 |
| Value 40% | 68 $119.99 for its size | 67 $122.50 for its size |
| Features 35% | 70 rated to -4 °F, USB-C charging, IP64 | 35 basic |
| Capacity 15% | 49 59.2 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
Specifications
| WOLFBOX MegaVolt 16Air | Schumacher SJ1332 | |
|---|---|---|
| Starting | ||
| Rated engines | 8 L gas, 6 L diesel | 8 L gas, 6 L diesel |
| Peak amps (maker) | 3,000 A | 1,200 A |
| Cranking amps | - | 370 A |
| Voltage | 12 V | 12 V |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 59.2 Wh | - |
| Capacity (mAh) | 16,000 mAh | - |
| USB-C input | 65 W | - |
| Recharge time | 1.5 hours | 15 hours |
| USB outputs | USB-C 65 W, USB-A 18 W, USB-A 12 W | USB-A 2 A, two 12 V DC outlets, two 120 V AC outlets (200 W) |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | Yes | Yes |
| Water resistance | IP64 | - |
| Dimensions | 9.37 x 5.28 x 2.17 in | 12 x 11.6 x 11.35 in |
| Weight | - | 18 lb |
| Warranty | 2 years | 1 year |