MCL5048 50a mppt solar charge controller 12v 24v 48v load output 20a

Prostar MCL5048 50a mppt solar charge controller 12v 24v 48v load output 20a adopts advanced DSP digital control technology, it is the intelligent, cost-effective choice for low-power applications that require maximum charging efficiency. There is advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time, and can quickly track to the maximum power point of the photovoltaic array in any environment to obtain the maximum energy.

12V/24V/36V/48V system automatic recognition, user-friendly for different systems. 50A mppt solar charge controller PV input voltage 150VDC makes it suitable for more kinds of PV modules.

A solar charger gathers energy from your solar panels, and stores it in your batteries. Using the latest, fastest technology, MCL5048 50a mppt solar charge controller maximises this energy-harvest, driving it intelligently to achieve full charge in the shortest possible time.

50A MPPT solar charge controller Features

• Wide DC voltage input range, suitable for various common solar panel specifications.
• Compatible for PV systems in 12V, 24V, 48V.
• Select low power consumption chip to reduce static standby energy consumption and reduce energy loss.
• Three-stage charging optimizes battery performance.
• Maximum efficiency up to 98%.
• DSP control technology.
• Automatic battery voltage detection.
• Ability to output in parallel to power DC loads.
• Support wide range of batteries, like lead acid batteries including wet, AGM, gel batteries and lithium-ion batteries.
• RS485 communication, we can offer communication protocol to convenient user’s integrated management and secondary development.
• Real-time power statistics function.
• Battery over discharge / Battery reverse polarity / Load overload protection

MPPT Solar Charge Controller Details

Charge controller charging logic

In general, this solar charge controller is designed with 3-stage battery charging algorithm for fast, efficient, and safe battery charging. The following picture shows the sequence of charging stages.

Bulk charge stage

In bulk charge stage, charge current begins to flow, typically at the maximum rate of the charge source. The controller will supply solar power to charge battery as much as possible.

Absorption stage

If the charging current drops to one-tenth of the maximum charging current setting point, the charging status will change to Float stage.

If the elapsed time of absorption stage is over setting value for C-V charging time, it will also transfer to Float stage.

Float Stage

After the battery is fully charged in the Absorption stage, the controller will reduces the battery voltage to the setting point of Float voltage.
Once in Float stage, constant-voltage regulation is used to maintain battery voltage at setting point of float voltage.

Float timeout

If the battery voltage remains lower than the Float voltage for 30 minutes, the solar charge controller will return to Bulk charging stage.

Float cancel voltage

Once the battery voltage drops to setting point of Float cancel voltage, the solar charge controller also returns to Bulk charging stage.
Float cancel voltage = Floating charging voltage – (1V x battery numbers in series)

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