Blog

Grounding Off-Grid Solar Systems

June 2, 2020

Understanding the difference between a chassis ground and an electrical ground allows you to maintain an efficient and long-lasting system. While understanding exactly how much current voltage is required in an electrical ground to offset the natural earth voltage is complex, when done correctly, it can prevent corrosion before it becomes visible.

From Our Webinar: Reading the SKU Number on the SunSaver PWM Controllers

May 29, 2020

This month we answered your questions about how to quickly determine the charge rating, battery voltage specs, and load control capabilities of our SunSaver PWM controllers. This information is located in your controller’s datasheet or operation manual, but you can also find it by reading your controller’s SKU number. 

Which MS controllers are most suitable to charge lithium iron phosphate batteries?

February 23, 2020

Each month, Morningstar hosts a live webinar featuring the latest in charge controller and inverter technologies.  Whether you are new to Morningstar and off-grid solar, or an experienced professional who is looking for a refresher, this webinar is a chance to learn what is new in off-grid solar and  have your pressing questions answered by one of our engineers. Attendees also receive One NABCEP CE credit.  

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 […]

String Configurations for TriStar MPPT and 48V Batteries

August 24, 2016

Question: Can you use two 72 cell modules in series with a TriStar MPPT to charge a 48V battery system, or do you need three modules? Answer: Yes, unless the […]

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 […]