Mr.Batt 4480mAh Replacement Battery for DJI Phantom 3 Drones - Upgraded for v1.9.60 Firmware Upgraded for the latest v1.9.60 firmware, could be used on v1.9.60 and lower version Battery type: Li-Polymer, voltage: 15.2V, capacity: 4480mAh, power: 68Wh, compatible with Phantom 3 Standard, Phantom 3 Advanced, Phantom 3 Professional, Phantom 3 4K drones Built-in intelligent charging and fail-safe circuitry, protect against over-charge, over-discharge and short-circuit, with 4 LED indicators to show how much power is remaining CE certified and tested by manufacturer to match the OEM products, same power as the original ones, 100% true capacity, 30 days money back guaranty and 1 year limited warranty Notes: Please charge the battery and try one flight, it will clear up several errors in the log for this battery and regain capacity, which will make the battery to be more compatible with Phantom 3 drones