Benjamin Introduces an Ultra High Speed 16 Inch blade fan with inbuilt battery. BLDC (Brushless Direct Current) Motor allows this fan be used with 220 Volts electricity 24X7 like a normal table fan and automatically switches to battery mode during power cuts, making it one of the best home appliance for Indian households. Fan is equipped with one of the highest RPM motor that works at a staggering 2000 RPM in AC mode (220 Volts supply) and 1850 RPM in DC mode (Battery mode). Battery capacity 12 Volts 4500mAh. Operation time up to 12 hours at low speed. Up to 8 hours at medium level, up to 4 hours high speed level and 2 Hours at full speed 1850 RPM (Please note battery run time is indicative and are concluded under test conditions. Actual backup may vary by up to 30%). This level of battery backup allows the fan to be used full night on battery mode during power cuts at comfortable medium level speeds*. With 105 degree oscillation you can ensure air circulation at every corner of the room. Fan should be stored after fully charging. Please recharge the battery at least once every 2 months for best battery life and rechargeable immediately after the battery is fully consumed. Please contact Benjamin Customer care for further queries. 1 Year Benjamin India Warranty, 6 month battery and accessories warranty. In case of any issue with the product Benjamin provides a Home pick and drop for the repair of the fan. Please note in case of a warranty claim 12-15 working days time from pickup date can be expected. Please keep the packing box safely for warranty claims.