Maxon WTA7 Replacement 8 Cell Standard Alkaline Battery Pack for 27SP & Other Handheld Radios, Maxon Furniture, Mfr#: WTA7$27.99+
Maxon WTA6 Replacement 10 Cell Nickel Cadium Battery Pack for 27SP & Other Handheld Radios, Maxon Furniture, Mfr#: WTA6$35.49+