Replacement Smartphone Battery, 3.85V, 4000mAh

This replacement battery is engineered to restore full functionality to Samsung Galaxy S8 Active devices and compatible models. With a 4000 mAh capacity, this battery delivers reliable power performance for extended daily use in demanding environments. The battery is specifically designed to meet the original equipment specifications for the Samsung Galaxy S8 Active, which was released in August 2017 and remains in active service across industrial, field service, and enterprise applications. The Samsung Galaxy S8 Active was engineered with durability as a core specification, featuring MIL-STD-810G compliance and advanced protective technologies. This replacement battery maintains compatibility with that rugged design philosophy, making it suitable for professionals who depend on their devices in challenging conditions including outdoor work sites, field operations, and industrial environments. The battery integrates seamlessly with the device's power management system and maintains the original charging characteristics. Typical applications include field service technicians, emergency response personnel, construction managers, outdoor operations coordinators, and industrial workers who require dependable mobile device performance throughout their workday. Organizations maintaining fleets of Samsung Galaxy S8 Active devices will find this replacement battery essential for inventory management and rapid device restoration. This OEM-compatible battery ensures that devices continue operating at their intended specification level, supporting the full feature set of the Galaxy S8 Active including its 5.8-inch quad-HD+ display, Snapdragon 835 processor, and advanced sensor suite. By using a properly rated replacement battery, users avoid performance degradation and maintain device reliability in professional environments where downtime directly impacts productivity. The battery is supplied as a direct replacement component ready for installation by qualified technicians or end users with appropriate device servicing knowledge.