Lithonia Batteries – BatteryPlex is your source for all types of replacement batteries corresponding to Lithonia® Batteries. Search or select the model number of your existing Emergency Lighting fixture. Choose the Lithonia battery part number to choose our new replacement battery. We provide the small nicad packs to larger sealed lead acid replacement batteries. Our batteries are new and meet or exceed the specifications with warranty. We are not Lithonia or associated with any Acuity® registered products. We provide new quality replacement batteries.