The product is a high-quality 1821mAh battery replacement for the iPhone SE 2 2020, specifically designed for the 2nd generation model. It comes in black colour and includes adhesive strips for easy installation. Made by BATTERYKING2, this internal unit is compatible with Apple iPhone SE devices, providing a capacity range of 1000-2999 mAh. With one port, this battery is a reliable choice for those looking to extend the life of their mobile phone.