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feat(sma-sunny-island): Add nominal capacity #227

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feat(sma-sunny-island): Add nominal capacity #227

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6 changes: 6 additions & 0 deletions battery_inverters/sma_sunny_island/firmware.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,12 @@ function send_properties()
if sma then
properties.serial_num = sma:read_u32_fix0(30057)
properties.model = parse_model(sma:read_u32_enum(30053))

local nominal_capacity_ah = sma:read_u32_fix0(40031)
local nominal_voltage = sma:read_u32_fix0(40037)
if nominal_capacity_ah and nominal_voltage then
properties.nominal_capacity = nominal_capacity_ah * nominal_voltage / 1000
end
end

local values, err = config.read_all()
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3 changes: 3 additions & 0 deletions battery_inverters/sma_sunny_island/manifest.yml
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Expand Up @@ -31,6 +31,9 @@ properties:
unit_id:
display_name: Modbus Unit ID
type: integer
nominal_capacity:
display_name: Nominal Capacity, kWh
type: float

telemetry:
status:
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