Check the listing for details. Arris Lithium Ion BPB044S Modem Battery Li-Ion. Condition: Open box. Listed at 22.39 USD. Item in new condition. Item does not come in original packaging. Please refer to photos before purchase. Looking for a reliable modem battery to power your network? Look no further than the Arris Lithium Ion BPB044S. This high-quality battery is built to last and will keep your modem running smoothly for hours on end. With a brand name like Arris, you can trust that this battery is of the highest quality, and is designed to meet the needs of even the most demanding users. This lithium ion battery is perfect for use with modems, routers, and other networking equipment. It is compatible with a wide range of models, including the Arris Lithium Ion BPB044S. So if you're looking for a powerful, reliable battery to keep your network up and running, choose the Arris Lithium Ion BPB044S.