Ability to get battery SOH

[volkerrichert]

Checklist

• I have filled out the template to the best of my ability.
• This only contains 1 feature request (if you have multiple feature requests, open one feature request for each feature request).
• This issue is not a duplicate feature request of previous feature requests.

Is your feature request related to a problem? Please describe.

Providing of S10 battery SOH would be quite helpful.

Describe the solution you'd like

Having the data as additional sensor is fine. The data about every pack could be e.b. an attribute

Describe alternatives you've considered

n/a

Additional context

I migrate von ioBorker, which has alle the raw data to work with

Diagnostics dump

No response

[jh537]

Describe alternatives you've considered: Sensor in HA

thx @volkerrichert

[volkerrichert]

I changed the request

[torbennehmer]

See #204, there are a few thoughts, I'd like your feedback on.