Great timing - I was just about to post something asking if anyone has replaced their Harmony battery and what their experience was.
It seems after I posted my "things are great; just charge every night" thoughts, my remote decided to not want to hold a charge at all. Pull it off the charger...
I have the Harmony Touch (controls TV, AV receiver, bluray player, and AppleTV).
Looked it up - bought it in early February of 2013 (can't believe I spent $200.97 on this - seems so extravagant!) so it's almost ten years old at this point. And I've had zero issues except that I do need to make...