MPPT Regulator & PWM Controller
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12V/24V 20A MPPT Regulator : PS-2024-D

PS-2024-D MPPT Regulator

Designed in Australia, the ROC-SOLID PS-2024-D has been devised for multiple applications. Whether you are a keen sailor, 4WD or caravan enthusiast or just want to run your shack on solar power, then this is the regulator for you. With onboard user settable parameters you can set your regulator up to match your battery charging voltages exactly to the manufacturers specification, massively extending the life of your battery.

With smart load control and 400 days of data logging capability, this solar regulator has set a new standard in the solar regulator industry. Designed to be used as either a primary or secondary power source, the PS-2024-D has an inbuilt smart charger with optional temperature compensation probe to ensure your expensive batteries are kept in tip top shape. This model is rated at 500W solar generation capability and can handle as much as 20A solar input current and 20A load current.

The PS-2024-D utilises Maximum Power Point Tracking (MPPT) techniques to extract maximum possible power from standard PV solar panels

Product Brochure

PowerSTAR PS-2024-D MPPT Regulator Product Brochure (pdf)


PS-2024-D MPPT Regulator instruction manual v11 (pdf)


  • Advanced MPPT control algorithm

  • Up to 30% more power from solar cells

  • Fully User Configurable

  • Ability to save configuration settings on PC

  • Rapid regulator upload of saved configuration settings 

  • Data Storage for 400 days

  • Datalogging of:

          - Amp hours input

          - Amp hours output

          - Maximum battery voltage

          - Minimum battery voltage

          - Time to float 

          - Days to next equalisation

  • Export of datalogging information to universal spreadsheet format for further analysis 

  • Battery regulation modes:

          - Boost

          - Equalisation

          - Absorption

          - Float

  • Lightning induced transient protection

  • Solar reverse polarity protection

  • Battery reverse polarity protection

  • PC Interface via USB Port (PS-USB Interface sold separately)

  • Easy to use graphic interface

  • Moisture resistance PCB (conformally coated)

Absolute Maximum Ratings

  • Maximum voltage across battery terminals  : 60V

  • Minimum voltage across battery terminals  : 0V

  • Maximum voltage across photovoltaic terminals  : 60V

  • Minimum voltage across photovoltaic terminals :  -60V

  • Maximum continuous input current from PV array  : 20A

  • Maximum continuous input power from PV array : 500W

  • Maximum continuous output current to battery :20A

  • Maximum continuous output power to battery :500W

  • Maximum continuous load output current : 20A

  • Maximum continuous load output power : 240W

  • Maximum ambient operating temperature : 60°C

  • Minimum ambient operating temperature: -30°C

  • Maximum lightning induced spike/terminal pair :400A

  • Maximum lightning induced energy across all terminals : 5.4J

Metering Range

  • Maximum battery voltage :34V

  • Minimum battery voltage : 9V

  • Maximum solar voltage : 50V

  • Minimum solar voltage : 0V

  • Maximum battery current :20A

  • Minimum battery current : -10A

Metering Accuracy

  • Battery voltage      +/- 2%

  • Solar voltage      +/- 5%

  • Battery current      +/- 2% and +/- 0.1A

  • Amp hours      +/- 2% and +/- 1.5Ah

  • Time to float     +/- 5mins

User Settings

  • Boost voltage

  • Equalisation voltage

  • Equalisation hold time

  • Equalisation frequency

  • Equalisation attempts before returning to normal operation

  • Absorption voltage 

  • Absorption hold time

  • Float voltage 

  • Boost return voltage 

  • Load disconnect voltage 

  • Instantaneous load disconnect

  • Load reconnect voltage

  • Solar open-circuit connect voltage 


  • ·  Temperature compensation

  • ·  Discrete load disconnection mode

  • ·  Advanced diagnostics for rapid field analysis

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