【Parameter】-Material: Lithium polymer, Voltage: 11.1V, Cell: 3S, Capacity: 2200mAh, Discharge: 35C, Charging plug: JST-XHR-4P, Discharging plug: XT60. 【Specification】-Dimension(±3mm): 103*34*25mm /4.09x1.34x0.98inch (L*W*H), Approx Weight(±5g): 191g /6.74oz 【Applications】- special designed for 450 size helicopter, Glider and EPP, Skylark M4-FPV250, Mini Shredder 200, Vortex, Emax Nighthawk 250, 400mm X-Sled, etc. (Only if the voltage, dimension and the plug match, then it will fit). 【Voltage Note】- Never leave battery unattended when charging. Don't overcharge more than 4.2V and don’t over discharge below 3.2V. 【Package Include】- 2x GOLDBAT 3s Lipo battery, 2 x User manual 1 x Deans connector as a gift. Please read the user manual carefully before using, if you have any problems, contact us directly and we will reply you within 24 hours. UPC 787794247001 Brand GOLDBAT Voltage 11.1 Volts Amperage 11 Amps Unit Count 2.0 Count Item Weight 6.74 ounces Reusability Rechargeable Manufacturer GOLDBAT Battery Weight 380 Grams Item Dimensions 4.09 x 1.34 x 0.98 inches Antenna Location Drone Battery Capacity 2200 Milliampere Hour (mAh) Battery Cell Type Lithium Polymer Number of Batteries 2 Lithium Polymer batteries required. (included)