Product details of Xiaomi BM49 Battery for Xiaomi Mi Max - 4850mAh Type: Standard Battery High capacity with long standby time Every production battery in the latest years We test each battery manually before send it out, Make sure the buyer receives it well. Batteries can be recharged when fully, or partially drained Double protection functions. Double IC and PCB electric boards protect charge discharge and short circuits. This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life For better battery performance, please fully charge the battery before the first time usage This product is ensured that it is purchased from the mobile phone manufacturers' accessories sales channels, absolutely 100% genuine original. PSA: The picture has been processed, if you need to confirm the picture, please contact us. PSA: It needs professional technology to change the built-in phone battery. We recommend you go to a mobile phone repair shop to install it. PSA: It is best practice to use up all the power in the battery for the first 3 cycles, So on the initial 3 charges charge it to 100% (a full charge), the battery can then reach the optimum full effect in use Please check the battery model and compatible model before ordering. The battery can only be used when they are the same

Product details of Huawei HB3742A0EZC+ 2200 mAh Mobile Battery for Huawei Y3 2017