Westfalia Thermal Battery Sleeves in various sizes

Keeps your starter battery functional even in the coldest temperatures. At -20C the maximum available capacity is 20% higher than it would be without cold protection (this has been tested). Easy to assemble: * Wrap the thermal sleeve around the battery and secure with the hook and eye fastening. Caution: To prevent the battery fluid from overheating during the summer it is essential that the thermal sleeve be removed after the winter season. (Barcode EAN=4040746186374)