NEW PRODUCTS! SureSine inverters, GenStar MPPT DC charging system CLICK HERE TO FIND OUT MORE

Tech Tips

Charging Valve Regulated AGM Batteries

March 30, 2017

Did you know that the new ProStar Gen3 solar charge controller is equipped with DIP Switches (switch #’s 4, 5 and 6) that enable seven preset charge configurations and a custom setting to best meet the […]

Comparing Four Versions of Morningstar 600V Charge Controllers

November 23, 2016

Morningstar’s TriStar MPPT™ 600V Solar Charge Controllers have proven to be a highly reliable solution to enable several application scenarios including: The use of smaller diameter wire to reduce costs and simplify […]

Relay Driver Performs Functions Similar To Auxiliary Port

April 4, 2016

Morningstar offers a Relay Driver (model # RD-1) which can be used for many of the same functions as an auxiliary (IN or OUT). Each RD-1 has 4 channels that […]

ProStar MPPT Dip Switch Settings

February 5, 2016

Dip switch settings to configure battery charging, system voltage, and load/lighting parameters are included in the ProStar MPPT Operator’s Manual.  But in the event that you don’t have a manual […]

Configuring Settings From The Controller’s Meter Interface

November 17, 2015

Most people are used to connecting to a computer in order to configure a controller’s charge settings. But with the ProStar MPPT™ controller, configurations can be changed in the field […]

Changing The Controller’s Dip Switch Settings

October 13, 2015

A question came in recently about whether the dip switch settings on Morningstar controllers can be changed while the controller is powered ON.  The answer is: No, you should turn off […]

Tesla Powerwall and the TriStar MPPT 600V Charge Controller

August 18, 2015

Although Morningstar MPPT controllers are capable of charging a lower voltage battery from a higher voltage battery, at this time, no information is available concerning the use of a TriStar […]

Passive Cooling And The Sound Of Silence

March 25, 2015

Since Morningstar controllers are passively cooled without any internal fans or moving parts, they are very reliable. Fans and other parts are subject to failure and replacement can be very […]

Diagnosing Alarms With The Meter Map

February 27, 2015

If your Morningstar controller’s meter is displaying an alarm, it is helpful to consult the meter map for the particular controller you are using in order to access additional helpful […]