Xantrex Battery Temperature Sensor (BTS) Brand New Includes Manufacturer's WarrantyProduct # 809-0946 The Xantrex Battery Temperature Sensor (BTS) is a replacement BTS designed for Freedom SW inverter/charger series. The sensor has a 25 foot cable attached and it mounts on a terminal post of the battery in a bank or on the side of a battery. It measures the temperature of the battery and automatically adjusts voltage ensuring that the batteries are recharged completely. Battery Temperature
Sensor (BTS) Features: Temperature Sensor 25 Feet Communications Cable Proper Temperature Compensated Charging Auto-Voltage Adjustment Compatible with Freedom SW 2000 & 3000 Series