2 cell Lithium polymers as your receiver pack?

[JOddino]

Hi Mike,
You can use Li-Poly.  I feel that the Li-Ions might be safer because of the conventional metal case and vent.  The same regulators can be used but you might need a heat sink to keep the temperature down if you are pulling a lot of current.  With 5 digitals and one analog I have not needed a heat sink.
One of the great things about them is the self discharge is very slow.  I recently flew two flights one week and 4 the next without recharging.  Still had plenty left.  I chose 2000 mAh because they weren't much larger or heavier than the 1200s.  Of course the Li-Poly will be smaller and lighter.
I believe this is the way we are headed but it will take some time for the masses to accept a new technology.
Jim 
  ----- Original Message ----- 
  From: mike mueller 
  To: discussion at nsrca.org 
  Sent: Friday, November 21, 2003 7:58 AM
  Subject: 2 cell Lithium polymers as your receiver pack?


  Ok this has probably been discused but I never payed attention till now. My question is can you use Li-poly's instead of Li ion's or nicads? Would the regulators have to be different? What about regulators over heating? How long would a 2 cell 1200 Li poly pack last before needing a charge? Is this the way were headed? Thanks, Mike 


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