Solar power circuitry for NB-IoT shield

So I just have got to know your NB-IoT board, and I want to know how am I supposed to make it battery/solar powered?
What is the recommend battery and charging chip?
What circuitry do I need to connect the solar panels?

Thks

Hi,

Here are a few options:

Also see: https://shop.sodaq.com/en/power/

Best regards,
Jan