1 KeenPower jump starter ranked. Each one is scored and ranked against every brand in its engine size, so "#3 mid-size" means third of all mid-size jump starters here, not third among KeenPower's own.
The KeenPower SC6000 Pro Supercapacitor is KeenPower's only current jump starter here, ranked #3 of 5 heavy duty and rated 3.9.
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 $199.99Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
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