Reliable performance, efficient charging, and advanced protection for your solar power system.

Upgrade your off-grid setup with this 40A MPPT Solar Charge Controller, engineered for high-efficiency energy conversion and long-lasting reliability. Designed with intelligent tracking and built-in safeguards, it ensures your batteries are charged safely and optimally—whether you’re powering a cabin, RV, or full solar array.


Key Features:

  • Smart Voltage Detection – Automatically recognizes 12V or 24V DC systems for seamless setup.

  • Wide Battery Compatibility – Works with Sealed, Gel, Flooded, and Lithium deep cycle batteries.

  • High Efficiency Charging – Advanced MPPT technology with up to 99% tracking efficiency and 98% peak conversion efficiency.

  • Full System Protection – Safeguards against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current.

  • User-Friendly Display – LCD screen plus LED indicators provide real-time system info, customizable parameters, and error codes.

  • Versatile Load Control – Supports diverse load functions and can even recharge over-discharged lithium batteries.

  • Durable Build – Die-cast aluminum housing offers excellent heat dissipation.

  • Bluetooth Ready – RS232 port supports connection to the BT-1 Bluetooth module (sold separately).


Specifications:

  • Rated Battery Current: 40A

  • Rated Load Current: 20A

  • Max PV Input Short Current: 50A

  • Max Battery Voltage: 32V

  • Max Solar Input Voltage: 100VDC

  • Charge Circuit Voltage Drop: ≤0.26V

  • Discharge Circuit Voltage Drop: ≤0.15V

  • Working Temperature: -31°F to +113°F

  • Max Terminal Size: 8AWG

  • Rated Load Current Range: 10%–90% NC

  • Dimensions: 9.37 x 6.81 x 2.85 in

  • Net Weight: 4.41 lb

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