supply is 26 power supply 26 connects power to heater 1 by electrically connecting heating element 14 to a battery 27 battery 27 may be rechargeable or not rechargeable and may be optionally located inside housing 2 inside chamber 28 fig1 which is located inside a handle 29 that is attached to the exterior of housing 2 in its preferably preferred configuration heater 1 further includes indicator lights 30 and 31 which respectively light when heater 1 is turned on and when battery 27 may be charging besides or in addition to magnet 13 heater 1 may be held onto the body of an automobile by commercially available suction cups 5 in general suction cups 5 have a stem 33 and a bell 34 the stem of each cup is fixedly secured to housing 2 with most any suitable structure in the depicted embodiment a tab 35 is provided for this purpose as shown these suction cups are mounted on the short end of the heater optionally however one may locate these suction cups along the longer sides further optionally one may also locate them integral with or attached to gasket 3 such that the bell 36 of each suction cup is an integral part of the gasket 36 in other words the bell 36 may be directly molded into the gasket 3.