hi
I set 2 buck/boost converters (see specs below) powered by a small ~12 volt solar/battery/ regulator system.
2 x 80watt pv's, 1 X12v batt, 1 x 10 amp regulatory.
The 2 buck/boost converters - 1 used & set at 10v output for a laptop (solid circuit, no rotating disc) ~2.2A...