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, including batteries for micro-sizes helis. 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.