Xiaomi Redmi 4 / BN42 battery (4000 mAh)

Intensive use of smartphones, as well as unsuitable conditions for them, such as overheating or overcooling, lead to battery wear. It starts to discharge faster, and other problems may occur that require battery replacement. The most common reasons for replacing a phone's battery are: - Capacity loss - Swelling - Deformation - Controller failure A good choice for Redmi 4 smartphone owners is the Xiaomi Redmi 4/BN42 battery. The Xiaomi Redmi 4 battery (4100mAh) BN42 allows for extended talk time due to its high capacity. Redmi 4 lithium-ion (Li-ion) batteries have the best price-quality ratio. They are completely memory-free and have an average lifespan of 3-4 years. The battery is small, lightweight, and doesn't require frequent charging. For charging, use the original charger or a compatible charger with a stabilized charging scheme. Charge the battery more frequently and avoid waiting for it to reach full discharge. Deep discharge accelerates the "aging" process of the chemical composition. Capacity: 4100 mAh. Compatibility: Xiaomi RedMi 4.