Low voltage heating (12V / 24V / 48V DC) – our range of low voltage heaters are used to heat up cabs and battery packs. Our low voltage heaters can be connected to the vehicles low voltage system. The thermostate is set to ensure a optimal temperature for the battery. With a low voltage heater from Calix, you will increase the range. Our low voltage heaters produces 200W – 2500W and can be connected in series to deliver even more.