Update: just sent it to someone!
I got a new FP2 bottom module on my warranty, but that did not fix the problem. So I bought a FP4 and still have this extra module for whoever wants it.
Shipping from Amsterdam, NL
NB: To be able to send a direct message to the user, you will need to reach trust level 1 by entering/opening at least 5 topics, reading at least 30 posts and spending a total of 10 minutes reading posts.
Be aware, that cross-border shipment of batteries outside a phone is virtually impossible for individuals.