The Schumacher SL1674 is the better jump starter overall, rated 3.6 to 3.1. The Schumacher SL1674 leads on features, warranty and value. The Schumacher SL1674 costs $19.01 less ($103.49 vs $122.50).
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 $103.49For 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 $122.50Prices 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.
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 | Schumacher SL1674 | Schumacher SJ1332 |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 40% | 77 $103.49 for its size | 67 $122.50 for its size |
| Features 35% | 67 manual override, USB-C charging | 35 basic |
| Capacity 15% | 12 37 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 50 2-year warranty | 0 1-year warranty |
| Schumacher SL1674 | Schumacher SJ1332 | |
|---|---|---|
| Starting | ||
| Rated engines | 8 L gas, 4.5 L diesel | 8 L gas, 6 L diesel |
| Peak amps (maker) | 1,500 A | 1,200 A |
| Cranking amps | - | 370 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 37 Wh | - |
| USB-C input | 18 W | - |
| Recharge time | 5 hours | 15 hours |
| USB outputs | USB-C 3 A, USB-A 3 A, 10 W wireless pad | USB-A 2 A, two 12 V DC outlets, two 120 V AC outlets (200 W) |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | Yes |
| Dimensions | 9.83 x 4.81 x 5.12 in | 12 x 11.6 x 11.35 in |
| Weight | 2 lb | 18 lb |
| Warranty | 2 years | 1 year |
| Released | 2025-05 | - |
