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                                                20th April 2009, 09:01 AM
                                        
                                
                                
                                        
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			engel......electronics adivce needed
		
		
				
					
					
				
				
		
			
				
					the little battery used to power the temp display only lasts for a year or so, maybe a little longer
 
i need to change it again and the problem is its a pain in the ass with my setup up
 
two options i thought
 
1. install a switch so i can turn off the led display when the fridge is off i.e. saving the batery but it will still need replacing or
 
2. by-pass the battery, but how does one easliy drop 12V down to 3V (from memory), this would mean no more batteries and when i turn the fridge on the led display will power up
				
			 
			
		 
			
				
			
				
			
			
			
		 
	 
	
	
 
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                                                23rd April 2009, 12:27 PM
                                        
                                
                                
                                        
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					Hi Kelvin,
Apparently the problem with the battery (LR44) is the 'shelf life'. If the battery has been sitting in the shop for ages its likely half-dead when you buy it.
My second battery hardly lasted 6 months. From now on I'll be buying them from a jewellers as they are always turning stock over.
I don't believe the temperature unit itself draws much current to speak of. The LR44 is 1.5 volt alkaline battery, so don't kill your unit by supplying 3 volts!
You could try an SR44 which is the same size, same voltage, but silver oxide and therefore higher energy density(potentially lasting longer)
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                23rd April 2009, 01:28 PM
                                        
                                
                                
                                        
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					thanks BW....i was only guessing 3V's, good tip about going to a jeweller
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
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                                                28th April 2009, 08:31 PM
                                        
                                
                                
                                        
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			Engel batteries
		
		
				
				
					
				
		
			
				
					Hi
the old model took a button type
later take a 3v flat type
they last a lot longer
cheers
Ian
				
			 
			
		 
			
				
			
			
			
		 
	 
	
	
 
		
		
		
	
 
	
	
	
	
	
	
	
	
	
	
	
	
		
		
		
		
			
				
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