Antigravity XP-20-HD Micro-Start
#14 in Heavy dutyFull review
For owners of big gas trucks and diesel pickups who want a compact pack that recharges fast over USB-C. Cheaper packs cover smaller engines just as well.
Amazon $249.99$249.99
The Antigravity XP-20-HD Micro-Start is the better jump starter overall, rated 3.7 to 2.6. The Antigravity XP-20-HD Micro-Start leads on features, value and warranty. The Antigravity XP-20-HD Micro-Start costs $99.08 less ($249.99 vs $349.07).
Clore Jump-N-Carry JNC1224
#18 in Heavy dutyFull review
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.
Amazon $349.07$349.07
Prices were last checked October 31, 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 Antigravity XP-20-HD Micro-Start for features (manual override, rated to -4 °F, USB-C charging vs basic), value ($249.99 for its size vs $349.07 for its size) and warranty (1.5-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every heavy duty jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Antigravity XP-20-HD Micro-Start | Clore Jump-N-Carry JNC1224 |
|---|---|---|
| Overall rating | 3.7/5 | 2.6/5 |
| Value 40% | 57 $249.99 for its size | 29 $349.07 for its size |
| Features 35% | 80 manual override, rated to -4 °F, USB-C charging | 35 basic |
| Capacity 15% | 61 88.8 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 25 1.5-year warranty | 0 1-year warranty |
Specifications
| Antigravity XP-20-HD Micro-Start | Clore Jump-N-Carry JNC1224 | |
|---|---|---|
| Starting | ||
| Rated engines | 10 L gas, 8 L diesel | Most cars, light trucks, watercraft and implements, plus 24 V systems (no liter rating) |
| Peak amps (maker) | 4,650 A | 3,400 A |
| Cranking amps | 930 A | 850 A |
| Voltage | 12 V | 12/24 V |
| Manual override | Yes | - |
| Lowest operating temperature | -4 °F | - |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lead-acid (AGM) |
| Capacity | 88.8 Wh | - |
| Capacity (mAh) | 24,000 mAh | - |
| USB-C input | 100 W | - |
| Recharge time | 1 hours | - |
| USB outputs | USB-C 100 W, USB-A QC3.0 18 W, USB-A 12 W | - |
| Build | ||
| Flashlight | Yes | No |
| Air compressor | No | No |
| Dimensions | 9.4 x 4 x 1.9 in | - |
| Weight | 2.1 lb | 40 lb |
| Warranty | 1.5 years | 1 year |
| Released | 2023-03 | - |