Features: 1.5000mAh Battery:Large capacity,25mins flight time,provides enduring working time, brings you longer funny time 2.4s Lipo Battery: Voltage: 4S 14.8V high voltage ,could be charged for multiple times, durable and convenient 3. Premium Quality Battery: Guarantees a long-lasting service life.Stable quality and reliable. Compared with ordinary battery,this battery is not easy to bulge under high temperature 4.Fly Wing FW450L Battery: It's designed for Fly Wing FW450L FW450L V2.5 RC Helicopters 5. Tattu 4s Battery: The battery is produce by ACE Tattu,which is one of the top rank battery corporations with deep research and manufacturing on LiPo batteries by the effort of 200 professional engineers and technicians with 20 years exquisite battery technology. With super pairing techs, safe and steady formula of raw material, smooth and steady discharge curve and rigorous scientific quality control system, Tattu LiPo batteries provide the punch and on-demand power for reaching the top speed, acceleration and power your RC models. Experience all the performance that's been engineered into your RC models Description: Upgraded ACE Tattu 5000mAh Lipo Battery for Fly Wing FW450L RC Helicopters 14.8V 5000mAh capacity,25mins flight time,provides enduring working time, brings you longer funny time Specification: Brand: Fly Wing Item Name: ACE Tattu 5000mAh Lipo Battery Size: 131*36*44mm Capacity: 5000mAH (Optional) Flight Time: 25mins Battery Cell: 4S1P Voltage: 4S 14.8V Plug: XT60 Application:Fly Wing FW450L FW450LV2.5 / V3 /UH-1RC Helicopters Weight: about 429g