HB406689ECW Battery for Huawei Y7 2017 / Y7 Prime 2017 / Y9 2019 / Y9 Prime 2019 / Mate 9 / Enjoy 7 Plus / Y9 2018 High-quality original replacement battery HB406689ECW designed for Huawei Y and Mate series smartphones. ✅ Capacity: 4000 mAh | Voltage: 3.82 V | Type: Li-Polymer Provides long-lasting power, safe charging, and reliable performance for your Huawei device. Compatible with Huawei Y7 (2017), Y7 Prime 2017, Y7 (2019), Y9 (2019), Y9 Prime 2019, Mate 9, Mate 9 Pro, Enjoy 7 Plus. Perfect replacement to restore full battery life and performance to your Huawei phone. Professional installation is recommended for best results.