Capacity: 520mAh. 1 x OEM Beats Solo 2/3/4 Battery 520mAh. This battery will also be a perfect fit with an upgraded battery life for the Solo 2 Wireless and Solo 3 Wireless headphones. Fits Models: Solo 4 Wireless (A3140), Solo 3 Wireless (A1796), and Solo 2 Wireless (B0534).
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