Solar power generation entities

[SudarshanKulakrni]

Dear Contributors,

Can you please consider implementing all the entities for the solar power generation systems.
Now a days installations of Solar panels is rising in Japan. All the systems developed by Nichicon work on Echonet.

Specifications are here : https://echonet.jp/wp/wp-content/uploads/pdf/General/Standard/Release/Release_R/Appendix_Release_R_rev2_E.pdf#page=283

The Battery :
https://echonet.jp/wp/wp-content/uploads/pdf/General/Standard/Release/Release_R/Appendix_Release_R_rev2_E.pdf#page=318

Multiple input converter :
https://echonet.jp/wp/wp-content/uploads/pdf/General/Standard/Release/Release_R/Appendix_Release_R_rev2_E.pdf#page=530

At present I can see very few entities. It would be very helpful to have this data.

ご検討のほどよろしくお願いします。
よろしくお願いいたします。
クルカルニ

[nao-pon]

There is a related issue in #200.