Smart Charging The HOVERAir X1&';s battery charger prioritizes the fullest battery, allowing you to get back in the air as soon as possible. With the press of a button, you can easily check your battery level and monitor the charging progress with the LED lights Compact and Portable With its sleek and compact design, the X1 charger can also be unplugged and used to carry extra batteries on the go Specs: Capacity: 1050mah Standard voltage: 7.7 V Charge limit voltage: 8.8 V Charging ambient temperature: 0AdegC to 40AdegC Charging speed: 35 min - 100%