20A MPPT 12/24V Auto Charge Controller

The M2420 is a state-of-the-art solar controller with MPPT (Maximum Power Point Tracking) technology, designed to optimize the efficiency of small and medium-sized stand-alone solar power systems, with a capacity of up to 600 W.

Delivery in 4-5 days (shipping included)
€85.00
Tax included

 

M2420 MPPT Solar Charge Controller 20A 12/24V

The M2420 MPPT solar charge controller is an efficient and affordable solution designed for 12V and 24V photovoltaic systems that require reliable energy harvesting and stable charging performance. Its advanced MPPT algorithm scans the solar panel curve in real time, identifying the true Maximum Power Point to increase overall solar production even under cloudy conditions or partial shading. This makes it an ideal option for motorhomes, boats, rural cabins, surveillance systems and small off-grid installations.

Advanced MPPT technology

The controller continuously tracks the optimal operating point of the solar array, achieving up to 30% more energy compared to PWM units. Its fast MPPT tracking ensures stable performance across all light conditions, improving battery charging and overall system efficiency.

Main technical features

  • Rated charging current: 20A
  • Battery voltage: 12V / 24V auto-detection
  • Max PV open-circuit voltage: <100V
  • Recommended PV power: 300W/12V – 600W/24V
  • No-load loss: 12mA (12V) / 10mA (24V)
  • IP32 protection
  • Communication: RS485 port
  • Net weight: 1.21kg
  • Dimensions: 180 × 140 × 71.1 mm

Battery charge management

The M2420 works with multiple battery types including Flooded (FLD), Gel, AGM, Sealed (SEL) and manually adjustable Lithium settings (Li/USE). It includes multi-stage charging, equalization mode, recovery from over-discharge and automatic temperature compensation to extend battery lifespan.

Electronic protection

  • Reverse polarity protection
  • Overcharge protection
  • Short-circuit protection
  • Over-discharge protection
  • Overheat protection
  • Overload protection

Additional functions

  • Multiple programmable DC load modes
  • Manual equalize function
  • Manual reset of DC load short-circuit protection
  • Optional external temperature sensor
  • Compatible with remote LCD display
  • Optional Bluetooth module for APP monitoring

Robust design and improved cooling

The unit includes an enlarged heat sink and a PCBA coated with polyurethane and silicone for enhanced protection against heat, dust and moisture. Combined with its IP32 enclosure, it offers reliable performance even in challenging environments.

Common applications

  • Motorhomes and camper vans: ideal for compact solar systems.
  • Boats and marine systems: stable operation with continuous loads.
  • Off-grid homes: suitable for low to medium daily consumption.
  • Rural sheds and cabins: daily energy supply without grid access.
  • Standalone security cameras: dependable operation in low-light conditions.
  • Portable or modular solar kits: lightweight, economical and expandable.

Competitive advantages

The M2420 delivers true MPPT performance at a very affordable cost, outperforming basic PWM and low-efficiency controllers. It offers strong protection features, wide battery compatibility and the advantage of local technical support for warranty handling or troubleshooting.

Conclusion

The M2420 MPPT solar charge controller is a reliable and efficient choice for 12V or 24V installations requiring stability, safety and maximum solar harvesting. Its advanced MPPT tracking, robust construction and great value make it a highly recommended solution for small and medium off-grid systems.

DELIVERY IN 4-5 DAYS – SHIPPING INCLUDED

M2420
No hay ficha técnica disponible.