[RE-wrenches] Capacity loss due to rapid discharge

[Warren Lauzon]

Re: [RE-wrenches] Capacity loss due to rapid dischargeThat is not quite true. Some of the loss is in heat due to internal resistance, and that cannot be recovered. High discharge rates also significantly affect overall battery life, which is not part of the equation but must be considered.

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  ----- Original Message ----- 
  From: Hugh 
  To: RE-wrenches 
  Sent: Tuesday, January 19, 2010 2:41 AM
  Subject: Re: [RE-wrenches] Capacity loss due to rapid discharge


  Thanks, Kent,


  It is clear then that high discharge rates have a big effect on the voltage, but only  a small effect on the actual battery capacity.  That was my instinct but it's good to have it confirmed.  And this will be important information for those who use Peukert's Law 'naively' to conclude that a battery has dramatically lower capacity when discharged at higher rates.  (In fact if it were true that capacity is reduced to this extent it would also have very serious implications for battery efficiency.)
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