Made By Cramer. The newly engineered PowerFlo portable hydration system makes hydrating athletes easier. The 12-volt battery-powered unit has compression fittings to allow you to quickly remove hoses and faucets for cleaning or replacement and re-attach securely, helping to avoid leaks. All components are constructed of beverage-approved components for the health and safety of the athletes. The metal hand truck is built to handle heavy loads. The step-down battery charger has an automatic shut-off when the battery is fully charged to avoid over charging.The cabinet can be mounted to either the front or the back of the hand truck.