Product Description Code Red Headsets sells a new aftermarket replacement Battery for Motorola PMNN4065A. Motorola: XPR6100, XPR6300, XPR6350, XPR6380, XPR6500, XPR6550, XPR6580. Vertex: Standard VDX720.Voltage: 7.2V Capacity: 1600 mAh Type: NiMH clip Vertex: Standard VDX720.