An electro thermal portable heating water bag is a device that is designed to provide warmth and heat to the body. It is a small bag that is filled with water and has an electric heating element inside. The bag can be plugged into an electrical outlet and the heating element will warm the water, which in turn heats up the bag. A unique and practical item created to offer warmth and comfort in cold weather is the Portable Rechargeable Heating Water Bag. It has a detachable UL wire and a rechargeable battery for simple charging. It is a multipurpose item that can be used to warm the bed, ease menstrual cramps, ease painful muscles, or just to provide warmth on frigid nights. The item is manufactured of high-quality, safe-to-use materials and is environmentally friendly. It's a fantastic winter tool for use by the user or as a gift for loved ones, and some items even include a gift receipt for simple returns.