Some users wanted to be able to use the LiFePO4wered/Pi in combination with other HATs and GPIO mounted modules. Good news: I now offer the option to have a stackable 40-pin header on the LiFePO4wered/Pi to be able to do just that:

Here is an example of the LiFePO4wered/Pi used in combination with a HiFiBerry:

If you were looking to do something like this, head over to my Tindie store and grab one! Stock is going to be limited for now until I can gauge the interest in this option.

And please keep the comments coming! I love to learn from users what would make this product even better. :)