Venom Fly 25C 4S 2300mAh 15.2V LiHV LiPo Battery with UNI 2.0 Plug x2 PacksI'm going with dual batteries soon and will have battery wings and need to move the 5.8 GHz dipoles somewhere else or come up with something different.
You might look at these William. Only 4 inches long, they might fit without moving your 5.8 dipoles