PPRuNe Forums - View Single Post - Malaysian Airlines MH370 contact lost
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Old 5th Apr 2014, 18:22
  #9216 (permalink)  
etudiant
 
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Deep ocean water is uniformly somewhat below 4 C, usually 1-3 C.
So the battery life expectancy was set to reflect expected conditions.
Afaik, lithium batteries drop their power pretty steeply once past their rated duty service, so there is not much time left to pick up the pinger.

Last edited by etudiant; 5th Apr 2014 at 20:35. Reason: correction
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