The battery from my FP1/U is swelling. Now I’m looking for a new one. I would like to know, if I can use every battery that says FP1/U or are there diferent types.
Batteries for the FP1 and the FP1U are interchangeable (there is/was only one battery for both), but they are all sold out. At your own risk, you may try one of these:
The battery manufacturer has changed once but, still, the two types are interchangeable.
Thank you for your reply.
Thank you too, so I can try to buy some used battery.