• Oppo A57:The Oppo A57 is powered by a non-removable lithium-ion battery.The battery capacity is typically around 2900mAh, designed to provide sufficient power for the device's usage.BLP619 Battery:BLP619 is the specific model number or identifier for the battery used in the Oppo A57.It denotes the battery's specifications and compatibility with the device.AA Grade Batteries:AA grade batteries typically refer to high-quality batteries that meet specific standards for performance and reliability.However, smartphones like the Oppo A57 do not use replaceable AA batteries. They have integrated batteries that are specific to each model.Usage and Charging:The Oppo A57 supports standard charging methods. It's recommended to use the original charger and cable provided with the device for optimal performance.

AA GRADE BATTERIES A57 BLP619 OPPO

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