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2. Painful Period Cramps? Try One of These Top-Rated Heating Pads

   www.aol.com/lifestyle/painful-period-cramps-try...

   Power: Rechargeable battery pack. Dimensions: 12" x 9.5" x 2", with a 55" strap. Automatic shut off? ... Most electric heating pads are powered by cords and require outlets, so if you're someone ...

3. Hand warmer - Wikipedia

   en.wikipedia.org/wiki/Hand_warmer

   It can also be used to charge or power other devices via USB. Battery operated hand warmers use electrically resistive heating devices to convert electrical energy in the battery into heat. Typically hand warmers can heat for up to six hours, with heat outputs from 40-48C. Rechargeable electronic hand warmers can be charged from a mains power ...

4. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   At low temperatures, a battery cannot deliver as much power. As such, in cold climates, some car owners install battery warmers, which are small electric heating pads that keep the car battery warm. A battery's capacity is the amount of electric charge it can deliver at a voltage that does not drop below the specified terminal voltage. The more ...

5. Thermoelectric cooling - Wikipedia

   en.wikipedia.org/wiki/Thermoelectric_cooling

   Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.

6. Electric blanket - Wikipedia

   en.wikipedia.org/wiki/Electric_blanket

   Electric blanket. An electric blanket is a blanket that contains integrated electrical heating wires. Types include underblankets, overblankets, throws, and duvets. [ 1 ] An electric underblanket is placed above the mattress and below the bottom bed sheet. This is the most common type in the UK and Commonwealth countries, where it is known by ...

7. Heating pad - Wikipedia

   en.wikipedia.org/wiki/Heating_pad

   Heating pad. A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue. Types of heating pads include electrical, chemical and hot water bottles. Specialized heating pads (mats) are also used in ...