Morningstar – ProStar 15A PWM Solar Charge Controller for 12V/24V Batteries, Lowest Fail Rate in The Industry, Built-in Diagnostics, (PS-15) Description
Morningstar’s ProStar 15A solar charge controller is the perfect choice for small systems. Featuring intelligent charge controlling, this controller will significantly improve battery life and performance. With settings for sealed or flooded batteries, low voltage disconnect, temperature compensation and PWM (pulse width modulation) battery charging, it’s easy to find the perfect setting for your needs. Rated PV current of 15 amps and load current of 15 amps, it’s perfect for 12V or 24V systems.
This product is designed to be used in a mid-sized system. It has a max solar/load current of up to 30A depending on the model. The product also has Constant Voltage PWM regulation with 4 stages for charging, and it can charge all battery types including lithium ion batteries. The last special feature is that it speaks Modbus and SNMP, so that you can connect it to your networked system. People have been using this product for over 20 years with good results!