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SMA Battery Temperature Sensor BAT-TEMP-SENSOR-AT
SMA Battery Temperature Sensor BAT-TEMP-SENSOR-AT

Battery temperature sensor

By Julien Mawet · Solar PV Expert at Wattuneed • Updated April 2026
€114.35
Tax included
BAT-TEMP-SENSOR-AT

The SMA Battery Temperature Sensor (ref. BAT-TEMP-SENSOR-AT) is a genuine spare part designed to monitor the thermal condition of your battery within SMA solar storage systems.

By providing real-time temperature data to the inverter, it enables dynamic adjustment of charge and discharge parameters to help preserve battery life.

Available, supplier dispatch within 3 days

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SMA Battery Temperature Sensor BAT-TEMP-SENSOR-AT

Effective thermal management is a key factor in the reliability and longevity of any battery storage system. The SMA BAT-TEMP-SENSOR-AT is a genuine OEM spare part designed to equip or replace the temperature sensor on batteries connected to SMA inverters.

Function and Operation

This sensor continuously measures the battery temperature and transmits the data to the SMA inverter. Based on this input, the energy management system can dynamically adjust charging and discharging behaviour. Batteries exposed to extreme temperatures — whether low winter temperatures or summer heat — experience reduced performance and accelerated degradation. The BAT-TEMP-SENSOR-AT provides the accurate, continuous measurement needed to prevent such conditions.

Compatibility and Installation

As a genuine SMA spare part, the BAT-TEMP-SENSOR-AT is designed to integrate seamlessly with SMA-compatible storage systems. For specific compatibility queries regarding your inverter or battery model, we recommend consulting the official SMA technical documentation or contacting our technical support team.

Installation should be carried out in accordance with the manufacturer's guidelines. Depending on your system configuration, this work may require a qualified installer.

Why Battery Temperature Monitoring Matters

  • Temperature directly affects available battery capacity and overall system efficiency.
  • Charging at excessively low temperatures can permanently damage certain battery chemistries.
  • Repeated overheating accelerates cell degradation and reduces the total number of usable cycles.
  • Thermal monitoring is frequently a requirement for maintaining the manufacturer's battery warranty.

Genuine SMA Spare Part

Using a genuine SMA spare part ensures full electrical and mechanical compatibility with your existing installation. Non-compliant components may cause system malfunctions and could void your equipment warranty.

Wattuneed supplies this reference for homeowners maintaining their own systems as well as professional installers carrying out servicing or replacement work on existing SMA installations.

BAT-TEMP-SENSOR-AT

Specific References

Battery temperature sensor — Spare parts

Battery temperature sensor by SMA is available in our Spare parts catalog.

Reference: BAT-TEMP-SENSOR-AT.