The Ultimate Speed UPK 10 power bank sold at Lidl is reviewed as a high-value, multi-functional emergency tool capable of jump-starting, inflating tires, and charging devices. While criticized for its "plasticky" build and long charging times, it offers strong performance for its price point compared to premium alternatives. Watch a full review of the device's performance at YouTube . I Tested Lidl's Car Tools - ONE BIG PROBLEM!?