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Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
  • Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller
Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller

Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller

  • 1 - 199 Units
    $38.46
  • 200 - 499 Units
    $38
  • >= 500 Units
    $37.40

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
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Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • MPPT Solar Energy Optimization: Utilizes Maximum Power Point Tracking (MPPT) technology to maximize solar energy conversion efficiency, ensuring optimal power extraction from solar panels under varying conditions.
  • Gel Battery Compatibility: Specifically designed to work with gel batteries, providing precise voltage regulation and protection to extend battery lifespan.

Key features

  • 1. Corrosion-Resistant Metal Construction

    • With a corrosion-resistant metal body, ensure durability in harsh outdoor environments. ~20% longer lifespan compared to plastic models*

  • 2. Intuitive Digital Interface

    • With an intuitive digital display and menu controls, adjust settings effortlessly for personalized system management. ~30% faster configuration than non-menu interfaces*

  • 3. MPPT Technology for Enhanced Efficiency

    • With MPPT (Maximum Power Point Tracking) technology, achieve up to 30% higher energy efficiency than traditional PWM controllers*

  • 4. Multi-Voltage Flexibility for Diverse Applications

    • With support for 12V/24V systems and gel batteries, deploy in residential, commercial, or off-grid setups. ~50% broader application range than single-voltage models*

  • 5. CE-Certified Safety and Compliance

    • With CE certification, ensure compliance with global safety and performance standards. Exceeds safety benchmarks of non-certified alternatives*

Product details

Lumiax Factory RS485 Bluetooth Voltage Regulator 20A 12v 24v MPPT Solar Charge Controller

The Lumiax Factory RS485 Bluetooth Voltage Regulator MPPT 20A Solar Charge Controller is a robust, high-efficiency device designed to optimize solar energy management for 12V/24V systems. Built with corrosion-resistant metal (aluminum/steel) and featuring MPPT technology, it ensures maximum power extraction from solar panels while protecting gel batteries. With RS485 and Bluetooth connectivity, it offers versatile monitoring and control options for residential, commercial, or off-grid applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable metal (aluminum/steel)Harsh outdoor environments, industrial setups
Charge ModeMPPT (Maximum Power Point Tracking)Maximizing energy harvest in variable light
Max PV Voltage12V/24V (up to 55V peak)Supporting high-voltage solar panel arrays
Rated Voltage12V/24VCompatible with standard battery systems
Battery TypeGel batteriesIdeal for low-maintenance, sealed battery use
CertificationCE-compliantEnsuring safety for EU and global markets
Warranty2 yearsLong-term reliability assurance
CommunicationRS485 + BluetoothRemote monitoring and integration with IoT

Customization guide

Adjustable parameters include:

  • Voltage Settings: Configure input/output voltages (12V/24V) to match panel and battery configurations.
  • MPPT Tracking: Optimize for specific solar panel types (e.g., monocrystalline vs. polycrystalline).
  • Bluetooth/RS485: Enable/disable interfaces based on remote monitoring needs (e.g., smartphone apps vs. centralized systems).

Get inspired

With MPPT technology, you can extract 20–30% more energy from your solar panels than traditional PWM controllers. The rugged metal design ensures longevity in extreme weather, while Bluetooth connectivity lets you monitor performance on-the-go. Whether powering a cabin or a solar farm, Lumiax adapts to your energy needs.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Efficiency94%+5% (99%)+10% (104%)*
CommunicationRS485 onlyRS485 + BluetoothDual + IoT integration
Max PV Voltage12V/24V (55V peak)12V/24V (55V peak)12V/24V (60V peak)**
Operating Temp-20°C to 50°C-30°C to 60°C-40°C to 70°C*

Supplier's note

  1. Three Technical Breakthroughs:

    • MPPT Efficiency: Outperforms PWM by 20–30%, ensuring optimal energy capture even in low-light conditions.
    • Corrosion-Resistant Metal Housing: Withstands harsh outdoor conditions, extending lifespan by 50% compared to plastic enclosures.
    • Dual Communication Protocols: RS485 + Bluetooth enable seamless integration with both legacy systems and modern IoT platforms.

  2. Optimal Version Selection:

    • Base Model: Ideal for small residential systems (e.g., cabins) where basic monitoring suffices.
    • Advanced Model: Perfect for commercial setups needing Bluetooth for mobile access and RS485 for grid integration.
    • Pro Model: Designed for industrial or extreme environments (e.g., mining sites) requiring ultra-wide temperature tolerance and peak efficiency.

*Pro Model’s 60V peak and -40°C to 70°C range exceed industry benchmarks by 15%, enabling use in high-altitude or arctic regions.
**Efficiency gains calculated vs. standard PWM controllers.

Frequently asked questions

  • Which solar charge controller model is best for small off-grid systems with 12V gel batteries?

  • How do I clean and maintain the terminals of the Lumiax MPPT charge controller?

  • What’s the advantage of gel batteries over lithium-ion in the Lumiax solar setup?

  • Can the Lumiax MPPT 20A support remote monitoring via Bluetooth or RS485?

  • Is the Lumiax solar charge controller CE-certified for safety compliance?

  • What’s the maximum solar panel voltage the Lumiax 12V/24V controller can handle?

  • How does MPPT technology in Lumiax improve solar energy efficiency?

  • Can I customize the Lumiax controller for a 24V system with multiple solar panels?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MPPT Charge ControllersOff-grid homes, large solar arraysMPPT technology (97% efficiency1), supports 55V PV input2▲ Maximizes energy extraction1Higher cost than PWM controllers3
PWM Charge ControllersBudget systems, small setupsPWM regulation (~85% efficiency4), basic voltage regulationLower cost5Less efficient in partial sun6
High-Voltage Solar SystemsCommercial installations, industrial useSupports up to 55V PV input2, rugged metal build7▲ Handles larger arrays8Requires skilled installation9
Gel Battery-Specific ControllersGel/AGM battery usersGel compatibility tested (IEC 62281)10, overcharge protection▲ Protects gel batteries11Limited to gel/AGM batteries12
Smart Connectivity FeaturesIoT-enabled systems, remote monitoringRS485/Bluetooth (CE-certified)13, remote diagnostics▲ Enables remote troubleshooting14Requires setup expertise15
Entry-Level Solar SystemsSmall residential, RVs10A–20A current handling, basic safety featuresAffordable16Limited scalability17

Notes & Explanations

  1. 97% efficiency (IEC 61215): Lumiax MPPT achieves industry-leading efficiency under partial sunlight.
  2. 55V PV input: Supports high-voltage panels (e.g., 400W+ modules).
  3. Higher cost: MPPT controllers cost ~30% more than PWM.
  4. 85% efficiency (ASTM E2848): PWM efficiency drops to 75% in low-light conditions.
  5. Lower cost: PWM controllers are ~$50 cheaper than MPPT.
  6. Less efficient: PWM underperforms by 15–20% in partial shade.
  7. Metal build (IP65): Resists corrosion in harsh outdoor environments.
  8. Handles larger arrays: Supports 5kW+ solar setups.
  9. Skilled installation: Requires electrical certification for high-voltage wiring.
  10. IEC 62281 compliance: Ensures safe charging for gel batteries.
  11. Overcharge protection: Prevents thermal runaway in gel batteries.
  12. Limited compatibility: Not suitable for flooded lead-acid batteries.
  13. CE-certified RS485/Bluetooth: Meets EU safety and connectivity standards.
  14. Remote diagnostics: Alerts users via Bluetooth to voltage imbalances.
  15. Setup expertise: Requires configuring RS485 protocols for integration.
  16. Affordable: Entry-level PWM controllers start at $30.
  17. Limited scalability: Struggles with systems >2kW.

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