This battery has two different interfaces(Flat Shape and a Geared Shape). In order to ensure the correctness of the battery which we sent. Please confirm the interface of your original battery before purchasing. The battery interface type we sold is gear. If your original battery interface type is flat-shaped, please mark the battery interface type as flat-shaped when placing the order and contact our customer service to explain that you need to buy a flat-shaped-shaped battery. If you have any questions, please contact customer service in time, we will serve you wholeheartedly.