HYS 3002 12V series JUMP STARTER, is one of the most compact & ultra-safe LiPo powered automobile product line available in the emergency booster market. It is perfectly designed with functions and user interface experiences in mind. Unlike the previous gener-ation technology using heavy and unforgiving lead-acid type battery, LiPo battery is light and retain power up to 1 year while safely store within your vehicle. It is fool proof, making the battery boosting easy for anyone from tech savvy to those with little or no experience.