AeroPod, PowerPod and Newton

Does the rechargeable battery eventually deteriorate so it won’t hold charge - my charger flashes red for about 20mins and then goes off but the unit won’t function for more than 2hrs before going flat . This is similar to some of my garmin after while where they won’t take a full charge

ow often is this faulty power button happening. is there anything i can do to make sure it isn’t the button since i live in africa and its a mission to return stuff to usa. the pp v3 sync with isaac, but no button press powers the unit on , tried the 4 sec pairing option, tried the 12s reset , tried...