Adding a MPPT solar charge controller to your off grid solar system, it not only protects your battery bank, but it also gives a boost to the power produced in your solar system. Prostar MCR series MPPT solar charge controller will be one great option if you are on a budget.
When you chooce a MPPT solar charge controller, you should consider LCD Display, Battery Compatibility, Design and remote control applications. There are some of the features that may distinguish the good, the bad and the ugly (but works). That is depending on your preference and budget.
We take a look at this features and more to grade this solar controller, and help you make the right choice and get value for your money.
Features of MPPT Solar Charge Controller
Below are some of the features you should look for to get the a controller, it will work for you and avoid any inconveniences.
Auto-Identifying Battery
It allows the system to recognize the battery plugged in and automatically load the settings for the battery type. This may not apply to lithium batteries and you may have to customize the settings for Lithium Batteries according to manufacturer’s recommendation.
MPPT Solar Charge Controller LCD Display
The LCD Display is a life saver and allows you to monitor the Solar Panels and Battery Voltage, the Load Current and the Charging as well as temperature of the system. The screen can also display error codes if something is amiss alerting you if you’ve done improper wiring or temperature is too high.
LED Indicators
LED indicators are important to show if the system is charging and whether the system is on bulk or float charging. It can also indicate errors and it either blink or turn colors to show an error.
Die-Cast Aluminum Design
Heating up is one of the biggest impediments to an efficient controller. A die-cast design allows the controller to dissipate heat effectively. The controller must also be mounted in an area with sufficient ventilation.
Battery Compatibility
The controller should support all Deep Cycle batteries including SLA, Gel and Flooded Lead Acid Batteries. It should also support Lithium Batteries. Modern controllers also support Lithium Phosphate (LFP) and can also charge over discharged lithium batteries.
Electronic Protection
The Charge Controller should protect the battery from overcharging, over-discharging and also overloading. It also prevents a short circuit in the system.
Remote Display of MPPT Solar Charge Controller
Some Controllers have a separate monitor to for displaying the performance of the system. New systems come with Bluetooth that allow you to install software you can use on your phone or computer and monitor the system from anywhere.
