Product Details If you are looking for an AASTRA Cordless Phone Batteries then you are in the right place. Our Replacement Cordless Phone Batteries have a Nickel Metal Hydride (NiMH) battery chemistry and are rated at 3.6 Volts 1500 mAh." These replacement Cordless Phone Batteries are in stock and ready to ship! This battery is an exact replacement battery for a AASTRA PMG-3455 Cordless Telephone. Product Specifications This battery works with AASTRA PMG-3455 view all |