Portable Outdoor Water Heater: This compact portable camping water heater provides instant hot water for outdoor showering and cleaning. Weighing only 13 lbs, it is small and lightweight, making it the best hot water supply expert for camping, outdoor cabins, hiking, and RV and truck travel. Convenient for Outdoor Camping Shower: Small size, 13 lbs lightweight design, easy to carry. Use the portable water heater to connect the water pump to the water source and connect the showerhead to output hot water for a quick and easy outdoor bath. It comes with detailed instructions and can be installed in just a few minutes. The gas cylinder needs to be pre-connected to the gas inlet to check the air tightness and eliminate the risk of gas leakage. 90-minute Fast Charging: The portable camping water heater has a built-in 4000 mAh rechargeable battery that does not require an external power source. It can run for 100 minutes after fully charging in just 90 minutes. It supports two charging methods: indoors or through a 12V car cigarette lighter, ensuring it can be used anytime, anywhere. Safety Features: CSA Safety Approved & 7 Protection, including short-circuit protection, over-charge protection, over-voltage protection, over-discharge protection, overcurrent protection, and tip-over protection. Overheat protection will be activated when the temperature exceeds 125 degrees Fahrenheit. Complete Package: 1* battery-powered camping water heater, 1* 12V submersion water pump, 1* 12V DC cord, 1* gas regulator, 1* shower bracket, 1* shower head & silicone water pipe. Ranein Portable Water Heater for Camping, Propane On-Demand Camp Water Heater with 4000mAh 1.5h Rechargeable Built-in Battery, Compact Outdoor Instant Hot Shower Heater