A replaceable 12V 7Ah AGM sealed acid battery: This 18″ multi-functional AC/DC floor fan includes two 12V 7Ah AGM batteries that can be recharged to provide up to 45 hours/ Bright Light, 80 hours/ Low Light of use. Fast charge time: It has batteries that only require a full charge time of 12-15 hours and are protected by an overcharge and overload function that ensures a longer life for the fan. Other accessories: The fan also has amazing components such as the remote control which includes On/Off, High/Low, LED and timer options so you can control it remotely, not to mention the height and oscillation adjustment.   Brand: IWIN Colour: Black Number of speeds: 9 Speeds Control: Remote and direct Control operation: Remote Oscillation Height: Adjustable Battery: 12 V,7 Ah, sealed acid rechargeable battery Light source: 4 bright LED lights. Duration: 45 hours/high light, 80 hours/low light Fan: 3.5 hours/high, 6.5 hours/medium, 8 hours/low Charging time: Full charge 12-15 hours Red LED: Charging indicator Green LED: Operation indication Excessive overload protection Dimension: 624x350x709mm