The Rechargeable 11.55V 51Wh 4415mAh Li-Polymer Laptop Battery TA03XL for HP EliteBook ZBook Wintonic is a high-performance power solution engineered for reliability and long-lasting energy efficiency. Designed with advanced Li-polymer technology, this 4415mAh battery delivers stable 11.55V output, ideal for HP EliteBook 755, 840, 848, 850 G4, and ZBook 14u/15u series laptops. Built to meet professional demands, it ensures seamless operation in business, mobile, and remote work environments. With a 12-month warranty, 500+ charge cycles, and OEM-grade quality, this Wintonic battery guarantees optimal performance and safety. Perfect for enterprise and field applications requiring dependable energy storage solutions in portable computing.More