Hot water bottle: Get an electric hot water bottle. Quick charging: The hot water bottle takes just 8-12 minutes to charge using the cable provided, heating to a temperature of 70-75°. Product dimensions: 25cm x 17cm x 5cm. Electric: Stay warm this winter with this rechargeable hot water bottle! Featuring an electric design which means no added water is required, retaining heat for up to six hours! Soothing: The heated pad is great for keeping cosy in bed, soothing aches and pains or for warming your hands. Great for winter: A must-have for cold winter nights! Electric Hot Water Bottle | Living Social