Xpece ONE Intelligent Flight Battery Key Features: Intelligent chip for Self Health Awareness and Overcharge, overcurrent, over-voltage and overheat protection. The Xpece Smart battery has a much superior cycle life. Real-time voltage, current, capacity, temperature and data feedback. Black box data recording of use, charge and discharge, static storage, temperature and charge/discharge cycles. Nominal Voltage: 22.2V Discharge Rate: 10C Max Charging Current: 10A Nominal Capacity: 4500 mAh Type: Intelligent 6S LiPo Energy: 99.9 Wh Size: 162mm*84mm*55mm Weight: 1070g (+/-5g) Working Temperature: -10 - 40 Charging Time: Up to 120 minutes when discharged below nominal voltage. Max Charging Power: 126 watts. Internal Differential pressure balance. No Air or Next Day Shipping on batteries. Please note that shipping regulations do not allow batteries to be shipped by air shipping. This includes second day or next day. UPC 860013126544