Vertex FNB14 battery by AtBatt.com is designed for use with FT23R, FT33R, FT73R, FT411, FT470, FT811, FTH2005, FTH7005 2-way models. AtBatt.com 2-way batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility, and safety to exceed original equipment manufacturer specifications. • Chemistry: NiMH • Rating: 7.2V 1700mAh Capacity