Amstron - Kyocera QCP-2135 Li-Ion 850mAh Battery (also works with Kyocera 2128) Looking for reliable performance from your Kyocera 2128 Cell Phone? Our Kyocera 2128 battery will provide you the performance and dependability that you demand for your Cell Phone. With a high efficency rating, you never have to worry about being too far from an ac outlet. Our line of Kyocera 2128 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