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				Rechargable batteries
			 
			 
			
		
		
		
			
			Our DECT phone system is getting a bit old, but still works perfectly. But our daughter decided to buy a new one, BT7660. 
 
I decided to read the instructions, and was puzzled to see this on one of the first pages: 
 
"To keep the batteries in the best condition, leave the handset off the base for a few hours at a time. 
 
Running the batteries right down at least once a week will help them last as long as possible." 
 
Don't charge constantly like the one we already have (no battery changes in about 8 years)? 
 
And running the batteries until flat before an 8-hour recharge, with the system down until at least some charge is in the batteries? And how would we manage to totally flatten the battery packs (2 x AAA)? 
 
Has battery tech (NiMH) gone backwards?
		 
		
		
		
		
		
		
		
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