The OEM smartphone battery is specifically designed for the Apple iPhone SE (2020) and provides a reliable power source for your device. With a battery capacity of 1821 ampere-hours (Ah), this lithium-ion battery ensures long-lasting performance and an improved lifespan. The integrated TI chip allows for optimal control and safety during the charging process, making the use of the battery even safer. The battery's size is device-specific, enabling easy installation and seamless replacement. This battery is an ideal solution for anyone looking to restore or enhance the performance of their iPhone SE (2020). It is sold as a single unit and is a practical choice for those who value quality and reliability.