After the first Chinese controller I bought with a small (5W) solar panel, I was at first excited to get something I thought would "do the job." Instead, I received another controller from another Chinese company that is barely engineered to specification and does not perform as I would expect (night time reverse flow puts the unit into a confused state where I have to disconnect the panel from the controller to get back to day charge state.) May just have to build my own unit from scratch, but had hoped that this controller, which looks nice, would have done the job.This item appears to be made well and performs well to date. The enclosed instructions were inadequate, but reading other reviews helped sort it out.
I use it to regulate a solar panel for battery maintenance in a RoadTrek RV that is parked away from AC electricity source.
Radio shack provided a nice cigarette lighter type plug-in connector and I had on hand some appropriate marine 12 V. insulated wire so installation was quite simple. The solar panel sits on the dash when in use.I use this controller with a 50W 12V panel to charge a deep cycle battery as part of a self-sufficient porch lighting system. HQRP Controller works great!I've had this unit installed on my RV for over a year now. Works great. I used it to replace another brand unit that had gone bad from age. I like the LED display on this HQRP model. It seems to charge better than the other brand unit too. It was so simple to install and the wiring looks a lot neater in my RV than the other unit did. Yes, the instructions about how the LED lights work and what they indicate is a challenge to understand. But, once you figure it out, I like it. I'm using 2 panels off this controller. One 50W HQRP panel and one 100W panel of another brand that I paid too much for years ago. I bought the HQRP panel and controller on Amazon from Osprey Talon.The price is good, the quality is acceptable, the function is decent. The charger and panel are doing the best they can against the crappy battery that I will eventually upgrade to something a bit better.
HQRP 10A Solar Panel Power Battery Charge Controller / Regulator 12V / 24V 10 Amp 150W with PWM Type
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on Monday, November 25, 2013
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