Overview The Poly 85R72AA is a replacement battery and USB-A charging cable set designed specifically for the Savi WH500 and CS545 wireless headsets. It provides a reliable power source to extend talk time and ensures your headset stays charged without the need for proprietary docks or adapters. The included cable allows charging from any standard USB port, making it convenient for use at a desk, on the road, or while traveling. Key features 2-pin battery designed to restore and extend the life of Poly Savi WH500 and CS545 headsets USB-A charging cable compatible with laptops, desktops, and USB wall chargers for versatile power options Lightweight set weighing only 0.25 pounds, easy to carry in laptop sleeves or travel bags Simple installation process that takes just seconds to replace the battery and resume use Supports professionals who rely on long hours of calls, including office teams and remote workers Ideal for frequent travelers needing a straightforward charging solution without extra accessories Key specs Battery type: 2-pin replacement battery for Poly Savi WH500 and CS545 headsets Charging interface: USB-A cable included for standard USB port charging Weight: 0.25 pounds (battery and cable combined) Connectivity and compatibility This battery and charging cable set is fully compatible with Poly Savi WH500 and CS545 wireless headsets. The USB-A cable connects easily to any device or charger with a standard USB port, allowing flexible charging options whether you are at your desk, in a meeting room, or traveling. Ideal uses and environments This set is well suited to professionals who spend extended periods on calls and need dependable headset power throughout the day. It fits naturally into office environments, home workspaces, and travel scenarios where quick and easy charging is essential. By keeping this kit handy, users can minimize downtime and maintain uninterrupted communication across various platforms and locations.