Experience superior power with this high-capacity 7.4V 5200mAh lithium-ion polymer battery, specifically designed for Xtreme 2 and Xtreme 3 Bluetooth wireless speakers. This replacement battery pack delivers an impressive 38.39Wh of power, ensuring extended playback time for your audio needs. The battery features dual circuit board protection and operates with a maximum charging voltage of 8.4V ±0.5V. Built to strict quality standards, this battery comes equipped with essential safety features and clear usage guidelines. The compact blue housing includes proper connectors for seamless compatibility with your speaker system. For optimal performance and longevity, avoid exposure to temperatures above 60°C and follow the provided handling instructions. This battery serves as a reliable power source for your premium wireless speaker, maintaining its powerful audio output for extended periods.