Depending on the temperature outside, this heating pad can be utilized for 120 minutes after only 5 to 10 minutes of electric charging. strong points portable heating pad with a rechargeable battery that is simple to use and carrySports injuries, arthritis, stiff necks, backaches, muscle pains, cramps, hypothermia, sprains, and growing pains can all be successfully treated with this electric heating pad. They function without the need to refill the water.It can be kept inside the blanket to heat the quilt or used at low temperatures to massage different sections of your body.The high-grade velvet fabric and double-thick, flexible PVC used to make this heating bag are both touch-soft and long-lasting.