1S MPPT Solar Panel Controller CN3791 9V 3A Solar Power

€9,99
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  • MPPT (Maximum Power Point Tracking) solar charge controller.
  • Designed for single-cell 3.7V Li-Ion batteries (full charge 4.2V).
  • Input: 9V from solar panel.
  • Output: charging current up to 3A.
  • Efficient PWM switching at 300KHz.
  • Compact & reliable: optimized for solar powered IoT & DIY projects.

Specifications:

  • Controller IC: CN3791 (MPPT support).
  • Supported Battery: 1S lithium battery (3.7V nominal, 4.2V full charge).
  • Input Voltage: 9V (from solar panel).
  • Max Charging Current: 3A.
  • Charging Voltage: 4.2V ±1%.
  • PWM Frequency: 300KHz.
  • Operating Temperature: -40°C to +85°C.
  • Board Size: ~45 x 30 x 9.5 mm.

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