MPPT Solar Charger – CN3791 High-Efficiency Li-ion Charging Module

7Semi
SKU
BO-10208

Charges single-cell lithium batteries from solar power using MPPT control.

7SEMI CN3791 MPPT solar charger board front view showing VIN input and battery output connectors

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₹470.40
Only 6 left

Shipped in 24 Hours from Mumbai Warehouse

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About this product

The 7SEMI MPPT Solar Charger is a compact, high-efficiency charging module designed for 3.7V Li-ion and 18650 batteries. Powered by the CN3791 MPPT controller, it maintains optimal solar power harvesting even during low-light conditions.

Key Features

  • CN3791 MPPT charging IC

  • Supports 1S Li-ion / Li-poly batteries

  • True MPPT tracking for maximum solar power

  • Solar input typically 5–18V

  • Automatic CC/CV charging

  • Charge status indication

  • High-efficiency switching architecture

  • Plug-and-play connectors for battery and solar

Applications

  • Solar IoT nodes

  • Off-grid battery charging

  • Weather and environmental sensors

  • Solar-powered LoRa / GSM / ESP32 projects

  • Portable solar chargers

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