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Subject: Re: Apple cuts $50 off price for replacment phone batteries, sheepishly offers apology
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From: nospam <nospam@nospam.invalid>
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Subject: Re: Apple cuts $50 off price for replacment phone batteries, sheepishly offers apology
Date: Fri, 29 Dec 2017 16:24:18 -0500
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In article <p2684j$1kl3$1@gioia.aioe.org>, Ken Hart<kwhart1@frontier.com> wrote:

> > Something about "two wrongs" comes up.
> >   I presume they do the tests on this?  So, what is the average battery
> >   lifespan, what is the decline in output based on use/time and why not
> >   just publish those figures so people would have a reasonable idea of how
> >   long the performance they paid for will work to 100%?
> > 
> To an engineer who understands charts and graphs, that might make sense. 
> But the average customer does not understand. They also don't understand 
> that "average" means some will perform better and some will perform worse.
> 
> The performance of a battery decreases starting from the day it was 
> manufactured.

yep.

also, end users don't understand power management, performance versus
efficiency tradeoffs, maximizing battery life, internal resistance,
voltage drops under load and much more, nor do they need to.