Larger PWM & MPPT Controllers Now Certified for U.S. and International Hazardous Locations (HazLoc)! LEARN MORE

Tech Tips

Tech Tip: Operating Principles for Lead Acid Batteries

November 15, 2021

Basic Operation Principles for Lead Acid Batteries By Steve Bell, Technical Support Specialist Batteries are one of the most important and most poorly understood components in an off-grid system. Because […]

Tech Tip: Avoid the Outer Limits

July 22, 2021

Operational stability and reliability of a solar power system is of paramount importance, especially for those located in remote areas. When equipment runs near minimum or maximum operational limits, system stability and reliability are compromised.

7 Tips for Sizing Your PV Array to Meet Your System Goals

February 22, 2021

Solar charge controllers offer a variety of input voltage windows. Let’s explore several examples of where making the right choices can not only prevent system problems but give you an advantage in your system’s performance and solve a few unique challenges!

Solar Lighting Guide

August 25, 2020

Greenshine New Energy, a user of ProStar charge controllers, published a thorough solar lighting guide for you to understand what to look for when searching for quality parts that will justify your investment. 

Grounding in Off-Grid Solar Systems

June 02, 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.

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 04, 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 05, 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 […]