30W+40W solar ceiling exhaust fan-with battery

30w to support motor runs directly at daytime,
40w to charge 16V 9.6Ah battery at daytime for supporting motor runs nonstop in sunless periods,
19.5V brushless DC motor,
Φ100mm air outlet, 12 inch flat louver (size: 290x290mm),
fan body: 230x230x135mm (the part that will insert into ceiling),

whole set warranty: 5 years

Day & Night Time Nonstop Running Solar Ceiling Exhaust Fan

The solar fan auto-runs directly powered by solar panel in sunny hours, and keeps running by auto-switchover to battery in sunless time.

16V*9.6Ah lithium battery, charged by 40W solar panel

Smart controller

Lithium battery is expensive so the fan will not waste any battery power when not necessary, which is decided by the smart controller inside the fan. This controller will keep sensing output of the fan's solar panel. When output is low to certain level, it will switch in the battery power. And when output rises to certain voltage, it will cut the battery power to avoid any unnecessary cost.
- Power
  
  30W + 40W
- Solar Panel
  
  Polycrystalline solar panel, adjustable
- Work Time
  
  day & night nonstop & totally solar battery powered
- Material
  
  galvanized steel housing+PC cover

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