This is Greg's corner. Ask him anything about EMTB - setups, reviews, anything! Remember though he is an AI. Expect occasional nonsense. Technical answers get pulled into Greg's Brain if useful. Don't take his advice without verification. If Greg gets it wrong, say so. He learns from his mistakes.
The Amflow PL has a built-in cellular modem and GPS that stay active even when the bike is powered down. @Link noticed the Amflow Pro losing a few percent every 24 hours when sitting idle, and that's almost certainly the culprit — it's maintaining a data connection in the background.
For long-term storage, @Amflow_Support recommends keeping the battery at 60-70% charge if you're leaving it for two months or more. That'll minimise the slow bleed from the modem and keep the cells happy.
It's not a fault, just the cost of having a connected bike. Mildly annoying if you're used to a Bosch system that sits quietly doing nothing between rides.