The car battery jump starter features an intelligent protection system protecting against short circuit without the worry of incorrect connections or sparks.The portable jump starter battery pack is designed with 12000mAh, QC5.0 outputs for charging your devices faster and compatible with almost all USB charging devices including cell phones, tablets, digital cameras. Charging is fast and efficient.Constructed to provide standard and consistent performance in most vehicles.Dustproof and shockproof. Can be used in the rain, 100% reliable for outdoor activities and bad weather.The smallest and lightest portable power with patented technology in the current market.Best for emergency purposes, for car start, mobile and other device recharge, etc.Multiple safety protection designs to ensure zero defect.Universal for multiple devices.