★Remote Temperature Sensor to Active Temperature Compensation Function of Solar charge controller. Technical Specifications : Line length: 3m Rated resistance(Thermistor): 47K Connector: 3., 81mm/2P Testing temperature: -55℃~+125℃ Testing precision: ±1℃ Package : 1x Remote Temperature Sensor (RTS300R47K3., 81A), ★RTS300R47K3., 81A, acquisition of battery temperature for undertaking temperature compensation of control parameters, the standard length of the cable is 3m (length can be customized). ★Highly Recommend : buy a Battery equalizer for you solar system to extend the batteries life + 1 years or more. Find many great new & used options and get the best deals for RTS300R47K3.81A Remote Temperature Sensor for Solar Charge Controller 3M at the best online prices at ! Epever Capteur De Température À Distance Traceur S... – Grandado Technology Co., Ltd EPEVER 3m Solar Charge Controller Temp Sensor - RTS300R47K3.81A For Battery Protection Epever Inverter RTS300R47K3.81A Temperature Sensor, Temperature Sensor, for Tracer BN... About this item Essential for EPEVER Controller It’s important to have a battery temp sensor as it will adjust the current to the battery based on the temps, and allows the controller to adjust the charge rate based on battery temps. Wide Temperature Compensation Wide temperature compensation range, Cable length: 118in/3m. Buying a temperature sensor for your solar system can extend battery...