Powerblanket automotive & equipment warming blankets create the necessary heat barrier to ensure longer engine life and prevent cold start wear & tear. Powerblanket is an all-in-one heating solution which effectively replaces separate heating devices for oil pans, blocks, cores, hoses, fluid reservoirs, batteries, and crank cases by heating the entire engine compartment! Great for preheating autos, aircraft, service trucks, snowmobiles, hydraulic / fuel tanks, outdoor machinery, appliances, and heavy construction equipment.