back to bare controller boards

micro untracked Solar Charge Controller (CN3163) micro untracked Solar Charge Controller (CN3163):




These tiny boards do the bare-minimum required to charge a battery from solar. There's no tracking of any kind.
and no buck or boost regulator. Just a little IC, two LEDs, and a pair of resistors and capacitors.


CN3163 untracked solar lipo charge controller.pdf (in solar controller ICs)


MPPT Solar Charge Controller (10pcs for $5 at Ali Express)


  bottom  
  dimensions  
  top  
  bottom     dimensions     top  


highest resolution images
last updated 12/18/2025 at 19:25:44 by make_www_index.command version 2025.11.05.A