2 Energy going to the battery

Hello,

How to add 2 Energy going to the battery because i can charge my baterry from PV or from GRID.

Captura de ecrã_20221108_183056

If i create a new baterry system :

Captura de ecrã_20221108_183235

I have to select the coming out too, but i only have 1 output from the baterry.

Captura de ecrã_20221108_183352

Thanks