Why Doesn’t My Charge Controller Work When I Connect It To My PV Array?

May 3, 2024

It is recommended that you connect components in the following order:  

– Battery to solar charge controller
– PV array to solar charge controller
– Electrical load to solar charge controller

What Size Solar Charge Controller Do You Need?

September 26, 2023

A solar charge controller, also known as a charge regulator, plays a crucial role in managing the charging and discharging of your battery bank. Its primary function is to prevent […]

ReadyShunt Enables Accurate Battery State of Charge (SOC) Measurements

September 20, 2023

ReadyShunt Enables Accurate Battery State of Charge (SOC) Measurements – 9/20/2023   While battery voltage has been used for many years to approximate a battery’s state of charge, we recently […]

From Our Webinar: Off-Grid Solar in Hazardous Locations

October 14, 2021

Each month, we host a live webinar featuring the latest in charge controller and inverter technologies. Attendees have the opportunity to engage directly with our engineers to learn about the […]

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 […]