Product Details If you are looking for an ATT Cordless Phone Batteries then you are in the right place. Our Replacement Cordless Phone Batteries have a Nickel Cadmium (NiCd) battery chemistry and are rated at 3.6 Volts 400 mAh." These replacement Cordless Phone Batteries are in stock and ready to ship! This battery is an exact replacement battery for a ATT 22200X Cordless Telephone. Product Specifications This battery works with ATT 22200X view all |