Expose max battery block temperature through BatteryData objects

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

src/frequenz/sdk/microgrid/component_data.py

@@ -126,6 +126,8 @@ class BatteryData(ComponentData):
         power_upper_bound: the maximum charge power, in Watts, represented in the
             passive sign convention. This will be a positive number, or zero if no
             charging is possible.
+        temperature_max: the maximum temperature of all the blocks in a battery, in
+            Celcius (°C).
     """
 
     soc: float
@@ -134,6 +136,7 @@ class BatteryData(ComponentData):
     capacity: float
     power_lower_bound: float
     power_upper_bound: float
+    temperature_max: float
 
     @classmethod
     def from_proto(cls, raw: microgrid_pb.ComponentData) -> BatteryData:
@@ -154,6 +157,7 @@ def from_proto(cls, raw: microgrid_pb.ComponentData) -> BatteryData:
             capacity=raw.battery.properties.capacity,
             power_lower_bound=raw.battery.data.dc.power.system_bounds.lower,
             power_upper_bound=raw.battery.data.dc.power.system_bounds.upper,
+            temperature_max=raw.battery.data.temperature.max,
         )
         battery_data._set_raw(raw=raw)
         return battery_data