ecoCalm Solar Exhaust Fan 4" with Thermostat and Battery for Chicken Coop

• 【Solar Air Conditioner with Battery】Equiped with a doule-sided solar panel and a 3000mAh rechargeable battery, our exhaust fan provides extra circulation at night time for your houses. The battery works for up to 8 hours after full charged in sunlight, supports the ventilation during night time or cloudy day. The intelligent system switches the power supply mode according to the sunlight conditions.
• 【Adjustable Temperature Control】The battery box has a built-in intelligent temperature control system that allows you to adjust the ambient temperature for the fan to switch on and off automatically according to personal needs.
• 【Bifacial Solar Panel】With the 8W transparent rear panel, it generate power from both sides (up to 20W), increases the efficiency of power generation by up to 130%. The panel supports well working of the solar exhaust fans and also the charging of the battery. The efficiency of the fan and the battery charging is affected by sunlight conditions, it will be reduced when the weather is cloudy.
• 【Waterproof Solar Fans for Outside】This solar fan is equipped with IP44 waterproof fan blades and 14.8ft long cable with a waterproof plug. High quality weatherproof greenhouse fan design prevents short circuit or damage and works well in harsh outside environment.
• 【Higher Airflow】Enhanced blade and engineered motor maximise airflow at high speed. The airflow of the 4-inch fan is 46CFM, suitable for places up to 90ft³. It is suitable for greenhouses, garden sheds, shed vent, garage, chicken coop fan, animal houses, camping, caravans and much more. It is the ideal solution for ventilation.

Solar Exhaust Fan