For heavy-duty trucks, diesels, boats and fleets that need the most starting power in a lithium pack. Most car owners will be well served by something smaller and cheaper.
Amazon $369.95
For fleets, farms and heavy-equipment shops that start both 12 V and 24 V machines. It is far too heavy and costly for a personal vehicle.
- No liter ratingEngines
- 40 lbWeight
- 1 yearWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Switches between 12 V and 24 V, so one unit serves cars and 24 V trucks or equipment
- Thick 46-inch #2 AWG welding-cable leads deliver heavy current
- Can stay plugged into AC indefinitely, so it’s always ready
- Very heavy at 40 lb
- No USB ports or flashlight
- No published engine-size rating
- Weakens when stored cold; Clore suggests keeping it above 50 °F
The Clore Jump-N-Carry family
Every Clore Jump-N-Carry model we rank, smallest first. Ratings compare each against its own engine size.
| Model | Engines | Rating | Price |
|---|---|---|---|
| Clore Jump-N-Carry JNC660 | No liter rating | 3.1/5 | $126.02 |
| Clore Jump-N-Carry JNC770R | No liter rating | 2.8/5 | $164.99 |
| Clore Jump-N-Carry JNC1224 (this one) | No liter rating | 2.6/5 | $349.07 |
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 | JNC1224 |
|---|---|
| Starting | |
| Rated engines | Most cars, light trucks, watercraft and implements, plus 24 V systems (no liter rating) |
| Peak amps (maker) | 3,400 A |
| Cranking amps | 850 A |
| Voltage | 12/24 V |
| Battery and charging | |
| Chemistry | Lead-acid (AGM) |
| Build | |
| Flashlight | No |
| Air compressor | No |
| Weight | 40 lb |
| Warranty | 1 year |
Alternatives in this engine size
For diesel, marine and equipment shops that start large 12 V engines all day. It is far more than any personal vehicle needs.
Amazon $261.51For truck shops, fleets and farms that need to start 24 V diesel equipment as well as 12 V vehicles. Anyone with only 12 V vehicles should buy a lighter, cheaper booster.
Amazon $337.27Compare
Compare the Clore Jump-N-Carry JNC1224 with any other jump starter →
More from Clore Automotive: every Clore Automotive product ranked.