The battery for the Samsung Galaxy Watch Active 2 is a high-quality lithium-polymer battery specifically designed to meet the demands of this smartwatch. Weighing 31 grams, this battery offers optimal performance and reliability to ensure the functionality of the watch. The device-specific size allows the battery to be seamlessly integrated into the watch, enabling easy installation. This battery is categorized as a device battery and is sold as a single unit. It meets the necessary requirements for declared batteries, indicating compliance with safety and environmental standards. Using a high-quality battery is crucial for the long-term use of the smartwatch, as it affects the operating time and overall performance of the watch. This battery is an ideal choice for anyone looking to extend the lifespan of their Samsung Galaxy Watch Active 2.