The A3118 7.2V 6000mAh Li-ion Battery for Soundcore Anker Motion Boom Speaker is a high-quality replacement battery designed specifically for the Anker brand. This blue battery is compatible with the Soundcore Anker Motion Boom Speaker and offers Bluetooth connectivity for convenient use. Made by UNIKARO, this battery is reliable and efficient, providing long-lasting power for your speaker. Ideal for those looking to extend the battery life of their portable audio device, this Li-ion battery is a practical and essential accessory for on-the-go listening.