Make bedtime even cosier with this Rechargeable Hot Water Bottle from Carmen. Its larger size gives you more surface area for that extra warmth and comfort throughout winter. Safe and simple to use, it comes pre-filled with water and permanently sealed so you never have to refill with boiling hot water or worry about leaking. Charging faster than a phone in under 15 minutes, it is almost instantly ready for overnight use and keeps the water warm while unplugged for up to 5 hours. It only costs as little as 12p to fully charge the Hot Water Bottle, keeping yourself warm and cosy while you snuggle up on the sofa and save on expensive energy bills. The heat also has fantastic health benefits - not only keeping you warm in winter - it also helps soothe cramps, aches, and pains, as well as improve blood circulation for longer-lasting comfort. Automatic temperature control provides the optimal amount of heat up to 60°C, while overheat protection ensures safe use. Designed using soft, comfy material and with a built-in pouch to keep your hands warm, this electric hot water bottle is made for a warmer, more comfortable night's sleep. Based off 24p per kWh.LARGER-SIZED HOT WATER BOTTLE: This Carmen rechargeable hot water bottle gives you more surface area for extra warmth & comfort throughout winter. It also acts as a heating pad, improving your blood circulation, alleviating pains from cramps, & relieving joint or muscle aches.SAFE HEATING SOLUTION: This rechargeable hot water bottle comes pre-filled with water already inside & permanently sealed so you never have to worry about refilling, leaks, or scalding from boiling water.LONG-LASTING, EFFICIENT WARMTH: It heats up the water when powered on to keep you warm in bed, retaining its temperature for up to 5 hours for long-lasting warmth & comfort overnight. This costs as little as 12p to fully charge the Hot Water Bottle based off 24p per kWh.SUPER-FAST CHARGING & TEMPERATURE CONTROL: Fully charge the hot water bottle in under 15 minutes. Automatic temperature controls provide a no-fuss way to warm up & maintain the perfect temperature. It switches itself off after reaching approximately 60°C for safe use & long-lasting warmth.3-YEAR GUARANTEE: Professional Carmen quality with a 1-year guarantee & optional 2-year extension, subject to product registration online