3Pcs ZOP Power 7.4V 850mAh 45C 2S Lipo Battery XT60 Plug for Drone Up Remote battery: 3 AA batteries

Remote battery: 3 AA batteries (not included)

500mW switchable

0 dBi   Half power beamwidth 30° 30° Horizontal and vertical Radiation efficiency 75% 74%

Boat battery: 4 * AA 1

Model Power:Built-in rechargeable battery

3Pcs ZOP Power 7.4V 850mAh 45C 2S Lipo Battery XT60 Plug for Drone Up Remote battery: 3 AA batteriesDescription: Battery parameter: ZOP Power 7. 4V 850mAh 45C Lipo Battery Capacity: 850MAH Size: 16*30*56mm Weight: 54g Note: due to the difference between the measurement, the battery dimension and weight may have little error. Caution: Don't over charge, or over discharge batteries. Don't put it beside the high temperature condition. Don't throw it into fire. Don't throw it into water. Package Included: 3 x ZOP Power 7. 4V 850mAh 45C Lipo Battery XT60