Feature Request: External Charger for spare batteries (FP5 + FP4)

[AnotherElk]

@bobkmertz

landed on the FP4

@bobkmertz

I really need to find a way to charge a battery outside of the phone.

Well …

@urs_lesse

FP1, FP2, FP3, FP4 batteries … each fits into the charger, and each can be charged in it.