Weego 120
#4 in Heavy dutyFull review
A professional-grade pack for fleets, farms and big diesels that replaces a heavy lead-acid jump box. Overkill for a family car.
Amazon $224.99$224.99
The Weego 120 is the better jump starter overall, rated 4.1 to 3.9. The KeenPower SC6000 Pro Supercapacitor costs $25 less ($199.99 vs $224.99).
KeenPower SC6000 Pro Supercapacitor
#12 in Heavy dutyFull review
For drivers in very cold places, or who leave a jump starter in the car for years and forget to charge it. Most people get more for their money from a lithium pack.
Amazon $199.99$199.99
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.
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 | Weego 120 | KeenPower SC6000 Pro Supercapacitor |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 40% | 64 $224.99 for its size | 71 $199.99 for its size |
| Features 35% | 82 manual override, rated to -4 °F, USB-C charging, IP65 | 80 manual override, rated to -45 °F |
| Capacity 15% | 98 118.4 Wh battery | 50 capacity not published in Wh (neutral score used) |
| Warranty 10% | 50 2-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Weego 120 | KeenPower SC6000 Pro Supercapacitor | |
|---|---|---|
| Starting | ||
| Rated engines | all gas, 15 L diesel | all gas |
| Peak amps (maker) | 5,000 A | 6,000 A |
| Cranking amps | 1,200 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | -4 °F | -45 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Supercapacitor |
| Capacity | 118.4 Wh | - |
| USB-C input | 18 W | - |
| Recharge time | 6 hours | - |
| USB outputs | USB-A 18 W, USB-A 10.5 W | - |
| Build | ||
| Flashlight | Yes | - |
| Air compressor | No | No |
| Water resistance | IP65 | - |
| Dimensions | 10 x 7 x 4 in | - |
| Weight | 5.5 lb | 11.5 lb |
| Warranty | 2 years | - |
| Released | 2022-09 | 2024-04 |