My magic keyboard is about 8 yrs old. Every 3rd or 4th day I have to charge it. I do realised the keyboard battery is non-replaceable. And checking thru Apple website, the new keyboard requires OS 11.3 or later. Mine was 10.13 and I don't wish to update the OS. Otherwise many of the programme cannot be used. So it seems I'm at the dead end. 
Now what. Can I constantly plug in the wire to charge it and use it? What can happen in long term say for another 5 yrs down the road.
	
		
			
		
		
	
				
			Now what. Can I constantly plug in the wire to charge it and use it? What can happen in long term say for another 5 yrs down the road.
			
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