Cheap Asian knock-off? Yeah (the manual was either poorly translated or written by an alcoholic monkey) BUT this thing is quite well constructed and works every bit as well as my bigger Blue Sky MPPT controllers at half the price per amp.While we were building out our main power system, this was used with a pair of HQRP 85W panels and a pair of Rolls-Surrette thick plate 6V 305 AH batteries to power the RV (pumps, lights, 2KW modified sine inverter, computers and LCD monitors, fans, and a range hood).
Literally took 15 minutes to install and hook up and worked flawlessly for the 3 to 4 months before we finished the main system.
Did I mention it was also (against manufacturer's instructions) sitting out in the weather the whole time?
I'll be building several small standalone systems around the place and will use these for those instead of the more expensive Blue Sky controllers. Hook these into 3 or 4 Kyocera 135W panels, get some decent 220AH AGM batteries and you'll have years of maintenance free power.
Do make sure to have the batteries attached BEFORE hooking in the panels, tho'. :)
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