Portable, Battery-powered, Disposable. The Thermal Angel Blood Warmer is an in-line, battery-powered disposable, lightweight and completely portable blood and IV fluid infusion warming device, capable of intravenous application and irrigation warming. The Thermal Angel Blood Warmer can be used to help prevent fluid-induced hypothermia. Simple: With 5 quick steps, the Thermal Angel Blood and IV Warmer will provide warm fluids within 45 seconds. Because the Thermal Angel Blood Warmer is disposable, there are no complicated or time-consuming maintenance protocols. Set it up, use it and dispose of it. It's that simple. See our short instructional video. Portable: The Thermal Angel Blood Warmer is a very advanced battery-powered fluid warmer. Its small size (9 inches/23 cm) and weight (9 ounces/260 grams) allows you to provide warm fluids in locations, departments and environments never serviced before. Cost Effective: As trauma situations require immediate attention, time and effort should be spent with patient care, not complex equipment. The Thermal Angel proves to be a cost-effective tool in reducing staff time, training, maintenance and patient hypothermia complications.