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Thanks for your confirmation Paul. But I really don't understand why or how we can be sold a system of a given rating which has no meaning in real life. Sounds like a con. Certainly I was not told by the salemen of a number of companies, of whom I had a few prior to choosing one, that the rating was meaningless. It was my understanding that these cells were guaranteed to deliver their rated output for so many years. For my panels the specs. are at 10 years down to 90% and 25 years 80%. Surely new panels must be 100%, otherwise its all a take. Or am I being too niaive?
Robert
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