HCAM6351 HydriMax NiMH 5C 6V 2000mAh AA Flat Receiver Battery This is the HydriMax 5-Cell 6-Volt 2000mAh NiMH AA Flat Receiver Battery Pack with Universal Receiver Connector. This is designed for .50-.90 size helicopters and other large scale aircraft.INCLUDES... $2499 Out of stock