The BN39 battery, with a capacity of 4030 mAh, is specifically designed for the Xiaomi Mi Play model. This lithium-ion battery provides a reliable power source for your device and ensures optimal performance. Weighing 100 grams, it is lightweight and easy to handle. The device-specific dimensions ensure that the battery can be seamlessly integrated into the device, making installation easier. This battery falls into the category of device batteries and is suitable for use in various applications. With a capacity of 4030 mAh, it allows for longer usage, enabling you to use your device for an extended period without the need for frequent recharging. Please note that this battery is subject to declaration, meaning it is governed by certain regulations. The BN39 battery is a practical choice for anyone looking to optimize the performance of their Xiaomi Mi Play.