Schumacher SL1672
#2 in Cars and SUVsFull review
For drivers of four- and six-cylinder cars who want a cheap glove box pack with an override for dead batteries. V8 and diesel owners need a bigger model such as the SL1674.
Amazon $51.29$51.29
The Schumacher SL1672 is the better jump starter overall, rated 3.8 to 3.7. The Schumacher SL1672 leads on features. The AstroAI S8 Air wins on capacity. The Schumacher SL1672 costs $8.70 less ($51.29 vs $59.99).
AstroAI S8 Air
#3 in Cars and SUVsFull review
A combined jump starter and tire inflator for small and mid-size cars. Good for drivers who want one compact roadside kit, not for trucks.
Amazon $59.99$59.99
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 Schumacher SL1672 for features (manual override, USB-C charging vs rated to -4 °F).
- Choose the AstroAI S8 Air for capacity (37 Wh battery vs 23.7 Wh battery).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cars and suvs jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Schumacher SL1672 | AstroAI S8 Air |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Value 40% | 90 $51.29 for its size | 82 $59.99 for its size |
| Features 35% | 65 manual override, USB-C charging | 50 rated to -4 °F |
| Capacity 15% | 9 23.7 Wh battery | 42 37 Wh battery |
| Warranty 10% | 50 2-year warranty | 50 2-year warranty |
Specifications
| Schumacher SL1672 | AstroAI S8 Air | |
|---|---|---|
| Starting | ||
| Rated engines | 6 L gas, 3 L diesel | 6 L gas, 3 L diesel |
| Peak amps (maker) | 1,000 A | 3,000 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Lowest operating temperature | - | -4 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 23.7 Wh | 37 Wh |
| Capacity (mAh) | - | 10,000 mAh |
| USB-C input | 15 W | - |
| Recharge time | 3 hours | - |
| USB outputs | USB-C 3 A, USB-A 3 A, 10 W wireless pad | - |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | Yes |
| Dimensions | 6.98 x 3.43 x 1.42 in | - |
| Weight | 1.6 lb | 2.4 lb |
| Warranty | 2 years | 2 years |
| Released | 2024-09 | 2025-11 |