Cheapest I found so far for small systems/panels:
$50 shipped 10W with controlller: amazon.com/Instapark®-Mono-crystalline-Solar-Charge-Controller/dp/B0038026Y2
$60 shipped for a 20W panel: 320759414251 ebay listing
$180 pick up 45W kit (controller, 3 panels 2 LED lights, wiring) harborfreight.com/45-watt-solar-panel-kit-90599.html
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