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*5W Power storage adjustable solar panel solar power Attic Fan

*5 watt solar panel (**5X**0X*5mm, *5W connects with motor to work directly at daytime, *0W Connects with battery to store energy at daytime and supports motor to work at night), 9.6Ah lithium storage battery, can back up **7 nights after battery is fully charged, *4 inch fan blade, square shroud cover, host size: **0X**0X**0mm

Function descriptions:
Improving air circulation:
Taking advantage of the free & clean solar energy, this attic fan will pump out the interior heat & moisture to balance your house temperature, so as to provide a refreshing ventilation and more environmental-friendly surrounding, and to lower down your general power consumption cost.

Extending roofing lifespan:
Being exposed long to the strong sun, your roofing underlayment may go weak and even lose efficiency under the very high temperature. This attic fan can help reduce such heat to prolong Their lifespan and to help you save certain maintenance or replacement fee.

Reducing moisture & harmful mildews:
When collided with chilly attic-roof in winter, the interior warm & humid air will condense into water droplets, such saturated humidity might cause dangerous electrical short circuit or create mildews to harm your plasterboards. An adequate & more active indoor ventilation provided by this attic fan can help remove these moisture contents & harmful elements for you.

Preventing ice-dam:
In snowy winter, interior warm air could melt those snows at roof to generate droplets falling down to the eaves. These droplets will then refreeze into ice damming on your roof and arousing dangers, this attic fan can help preventing such unsafe factors through keeping the house dry.

Solar panel is designed with two circuits:
One is ****5 power connected with motor directly for the fan to work at day time.
The other is *0 watt power connected with battery for it to generate and store the energy at Day time, then at night, motor fan will be switched to connect with battery and keep working.

Length: **0mm
Width: **0mm
Height: **0mm
Air duct: *2" **5mm/*4" **8mm
Gross weight: *2'' *8.5KG/*4" *9KG

Packing volume: 0.*1CBM
Carton size: **1X**1X**0MM
Loading capacity: **2PCS / *0 feet & **0PCS / *0 feet HC

Solid supports / Case: Service life *0 Years, warranty 5 Years
Solar panel: Service life *5 Years, warranty 5 Years