HYM 5200 DIY 12V series JUMP STARTER is one of the most compact & mega-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 generation technology using heavy and unforgiving lead-acid type battery; LiPo battery is light and retains power up to 1 year while storing in the vehicle. It is fool proof, making the battery boosting easy for anyone from tech savvy to those with little or no experience.