General description Well sealed performance with excellent temperature rise and uniformity, this 220V 250W Car Engine Oil Pan Sump Tank Heater Pad is designed for high thermal efficiency and durability. It is suitable for various applications including automobile fuel tanks, storage batteries, and antifreeze thermal insulation. Technical specifications Voltage: 220V Power: 250W Length: 210cm Size: 9 x 13 cm Maximum working temperature: 240°C Instantaneous temperature: 300°C Power density: less than 0.9 W/cm² Current density: up to 3 W/cm² when working temperature is less than 240°C Pressure-sensitive adhesive maximum continuous temperature: 150°C Pressure-sensitive adhesive instantaneous temperature: 230°C Installation Use pressure-sensitive adhesive to stick it on flat and smooth surfaces. Allow the silicone rubber heater to cure for six months before use to ensure optimal adhesive performance. Usage Ensure the working temperature remains below 240°C during operation. For special