The Genuine Replacement Battery BLP657 is a high-quality internal battery replacement designed specifically for OnePlus 6 phones. With a capacity of 3300mAh and a voltage of 3.85V, this battery ensures longer-lasting power for your device. Made by china, this battery is compatible with OnePlus 6 models, providing reliable performance for your mobile phone. Upgrade your phone with this genuine replacement battery for extended usage and improved functionality.