"Power your communication adventures with the BAOFENG UV-21R Battery, designed to keep you connected even in the most demanding situations. With its impressive standby time of 5-7 days, you can rely on this battery to stay powered up for extended periods, whether you're coordinating with colleagues on a construction site, navigating the roads as a truck driver, or embarking on outdoor adventures like hunting, camping, or road trips. The BAOFENG UV-21R Battery features convenient USB-C charging, allowing you to recharge your battery quickly and easily using a variety of charging methods, including USB wall chargers, car chargers, and power banks. This versatility ensures you can stay connected even when access to traditional power outlets is limited. Designed for portability, the BAOFENG UV-21R Battery is compact and lightweight, making it easy to carry with you wherever you go. Its sleek and durable design can withstand the rigors of outdoor activities and travel, ensuring you always have a reliable power source within reach. This battery pack includes two UV-21R batteries, providing you with ample power for extended communication needs. It is compatible with a wide range of BAOFENG radios, including UV-21, UV-21R, UV-21 Pro, UV-21 Pro V2, and UV-21 Pro V3."