More power, less weight—exactly what RC helicopters need, whether you’re powering your radio gear in a glow plane or flying electric. Extend run time and improve performance with high-quality, premium Lithium Polymer (LiPo) battery packs from AMain. No matter what capacity, size, voltage, brand, or connector you need, we’ve got the perfect pack. 1S (3.7v), 2S (7.4v), 3S (11.1v), 4S (14.8v) and up; ProTek, Lumenier, GensAce, Tattu, EcoPower, Venom and more brands in stock now.