Quote:
Originally Posted by Ken Maltby
I have not yet timed the recharging from a known state to a full charge, using the one panel. Until I've done that, I don't have anything to compare with a two panel setup.
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With the right equipment, you don't have to get the Libre into a known charge state or do any timing. Just use a voltmeter and an ammeter (preferably at the same time, or alternatively a wattmeter) to measure the voltage and current (or power) going to the Libre, from the output of the adapter.
Measure with one panel connected and then connect the second panel. If nothing changes then the second panel isn't helping any.