With this panel, HQRP controller and UB12180 12V 18Ah battery I can light up my garden barn. It generates voltage even on a cloudy day and even from a room lamp. To mount it on the barn roof I used the "Tektrum Z Bracket Solar Flush Mount Kit" - I bought all the hardware from Revain for less than the cost of an electrician running the wire to my barn . I now have up to 3 hours of 120V fluorescent light at night (probably more, the charge controller is just safe). If you search "Solar Shed System" on YouTube, you may see the system - it's an ACBMemphis system.
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