Review on High-Efficiency 60A MPPT Solar Charge Controller for Various Battery Types - 12V to 48V Auto, Positive Ground, LCD Display by Jeff Henkhaus

The manual is smaller than I expected but sufficient for a controller. Following the manufacturer's instructions, it was pretty easy to do the initial setup. Flexibility motivated me to buy this controller. Put it in your batteries first, no matter the voltage is 12, 24 or even 48 volts, it will work for you. By simply following the on-screen questions, everything else becomes easier. With the batteries I use in my RV, the controller charges at a rate that has less impact on your batteries.