Sadly, the panel was a commercial unit, and compatible off-the-shelf MPPT, or maximum power-point ... and not addressing seemingly mundane issues like cable routing and connector installation ...
The design is now mature, and the High Efficiency MPPT Solar Charger is full of features like data logging, boasts a 97% efficiency over a range of 1 to 75 Watts, and can be used as a standalone ...
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