Who has software for a battery charger
It lets you track your battery charging and usage.

Fort a gang portable radio unit.

WPLN4121BR

The only thing I found to work, was to mark batteries with serial numbers
and keep track of that battery's date of activation, complaints,
formulation, other statistics in an Excel spreadsheet. Then rotate them to
different users based on their activity. NiMh and Li-ion should not be
tested by discharge as it is destructive. Time for charge complete is a
good indication of capacity. But how much is your time worth? All this
will be a learning process in developing a simple method for the users to
follow.

Equipment that spends a lot of time in storage should have empty alkaline
packs.