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New Battery: Add support for 50kWh standard range Atto3 #1026

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Merged
merged 2 commits into from
Apr 13, 2025

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dalathegreat
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@dalathegreat dalathegreat commented Apr 1, 2025

What

This PR implements support for Standard range 50kWh Atto 3 batteries.

Why

Current implementation does not support 50kWh packs, only extended range 60kWh packs. Fixes #1022

How

We now startup in NOT_DETERMINED_YET state, and later on switch between STANDARD_RANGE or EXTENDED_RANGE

Switching between these modes happens automatically, and it will affect the following values:

  • Max pack voltage
  • Min pack voltage
  • Cell count (104 vs 125)
  • Estimated SOC from voltage (New map added for standard range
  • Total pack capacity

Testers wanted! Both Extended range and Standard range!

@dalathegreat
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Merging after successful tests with both 60kWh and 50kWh packs.

NOTE: contactor closing on 50kWh packs do not seem stable yet, these packs close contactors and open them again shortly. CAN log from functional 50kWh vehicle wanted! Wiki updated with this info.

@dalathegreat dalathegreat merged commit a40b21c into main Apr 13, 2025
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@dalathegreat dalathegreat deleted the bugfix/atto3-standard-range branch April 14, 2025 09:36
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Successfully merging this pull request may close these issues.

BYD ATTO 3 Standard Range Battery Issues
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