Forum Discussion
jrnymn7
Oct 18, 2014Explorer
Thanks, Green. That's my thinking, exactly.
It's like spending an extra $3000 on attic insulation for your house, in order to save $100 a year in energy costs. Likewise, if the break even point surpasses the life expectancy of a given electrical device, it's just not a good investment.
But the need to make a better informed choice comes in when comparing a $100 mppt with say a $30 pwm. That extra $70 could be well spent. Unfortunately, Marketing and Dis-information has us all by the short and curly's.
It's like spending an extra $3000 on attic insulation for your house, in order to save $100 a year in energy costs. Likewise, if the break even point surpasses the life expectancy of a given electrical device, it's just not a good investment.
But the need to make a better informed choice comes in when comparing a $100 mppt with say a $30 pwm. That extra $70 could be well spent. Unfortunately, Marketing and Dis-information has us all by the short and curly's.
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