CS03XL Laptop Battery for HP EliteBook 840 850 755 745 G3 G4 ZBook 15u G3This lithium-polymer laptop battery provides reliable power replacement for compatible EliteBook and mobile workstation notebooks. It features a 48Wh capacity with 4 cells operating at 11.4V, giving you the energy needed for extended use without frequent recharging. The package includes two screwdrivers to assist with installation, making it a practical choice for users who want to replace their own battery.Manufactured with quality standards in mind, this battery meets CE, FCC, ROHS, and UL certification requirements. The built-in smart chip helps protect against overcharging, and the battery supports up to 1000 recharge cycles for long-term durability. Each unit comes with a user manual to guide you through the replacement process.What you receive: one CS03XL battery, two screwdrivers, and a user