“I've only used it once, but after charging it twelve hours as instructed, it worked at the second attempt and got the car going again. I can't judge its long term effectiveness, but it did the job when I needed it.”
“Charge before use!!!! Its all working and great but make sure to charge for a good 12-16 hours before use otherwise it wont do nothing but works great, jump started a diesel transit tipper with it”