YESPER Battery Jump Starter Protable, 2160A Booster Pack Jump Box for 12V Car Up to 9.0L Gas7.0L Diesel Engine, Jumper Cables with DSLI Safe Tech, PD 15W Fast Charge & DC 15V Port

The YESPER YJS20 Jump Starter is a powerful 12V car jump starter capable of starting up to 10.0L gas and 8.0L diesel engines with 2160 cranking amps. It is equipped with DSLI Safe Tech and a battery jump starter with PD 15W and DC 15V port. The device comes with a typc-c cable but needs an additional wall charger to recharge. The jump cables are around 6 inches long but the whole battery pack is placed back on the battery itself. Users are advised to use the boost button every time even if the car battery isn't completely dead. Customer reception: Customers have expressed satisfaction with the performance of the YESPER YJS20 Jump Starter. It has been noted to work effectively in starting completely dead batteries and has been used on v8s and diesels in place of a battery without any failures. Users have also appreciated its portability and ease of use. The device comes programmed with a safety protocol that requires target voltage to be detected before YESPER will supply voltage to ensure safety during use. However, there are concerns about the jump cables being too short to connect to a good ground in some vehicles, which may require the use of bolt jump or an additional set of real jumper cables. Additionally, a few customers have raised concerns about the battery indicator and safety instructions provided by the manufacturer. The product has an average rating of 4.5 stars out of 5 on Amazon.