About this itemJust 7 to 12 minutes of electric charge gives heated pad for close to 2 hours. You can keep it inside the quilt to heat up the quilt or use on low temperature for massaging body parts. .***** PLEASE FILL ONLY 70% WATER, OUT OF TOTAL WATER SPACE IN HEATING BAGone time require filling of water where to use rechargeable heat pad is useful for providing instant relief from pain and treatment of sports injuries, arthritis, sore neck, backache, muscular pains, cramps, hypothermia, sprains and growing pains.Strong points portable rechargeable heating pad easy to use and carry less electricity consumption easy. Gives relief from pain and makes you feel comfortable.An electric hot water pouch used to provide warmth, typically whilst in bed, but also for the application of heat to a specific part of the body. It is a high quality reliever from aches in cold.An electric hot water pouch used to provide warmth, typically whilst in bed, but also for the application of heat to a specific part of the body. It is a high quality reliever from aches in cold.