Again & Again/Ultralast - STB-122 - Cordless Phone Battery for AT&T, GE, Pac-Tel, Sharp, Sanyo (also works with Casio CP820) Looking for reliable performance from your Casio CP820 Cordless Phone? Our Casio CP820 battery will provide you the performance and dependability that you demand for your Cordless Phone. With a high efficency rating, you never have to worry about being too far from an ac outlet. Our line of Casio CP820 batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. With an industry leading warranty and customer service, you can’t go wrong. ... More Info
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