Elevate your communication experience with the BAOFENG UV-21R Battery. Engineered with a focus on quality and reliability and utilizes a high-quality mainboard for enhanced performance. Safety is paramount, and with features like low heat dissipation, over-current protection, and over-temperature protection, you can use it with confidence. Whether you're a radio enthusiast, hiker, or outdoor adventurer, this battery ensures uninterrupted communication during your journeys.