Our laptops have become essential to how we do business, communicate with friends, shop online and many more. high performance laptop batteries - batteries you can count on, batteries that can keep up with you and your schedule. Our laptop batteries are constructed to meet or exceed OEM specifications for safety and efficiency, yet we still managed to create an economical alternative to expensive OEM batteries. Packed with a ton of safety features..All of our batteries are brand new and are 100% compatible to meet OEM specifications for safety and efficiency..Always on the go? No more worries about running out of battery power! the battery lets your laptop work seamlessly when you are on the move..True Cell Capacity with No Memory Impact: Our battery maintains its true cell capacity over time, without any memory impact, guaranteeing consistent performance.Premium Cells Used: We utilize premium cells in our high-performance battery to ensure optimal performance and longevity.Enhanced Connectivity: Benefit from enhanced connectivity with our high-performance battery, ensuring stable power delivery for uninterrupted usage.Performance Laptop Battery is BIS approved, meeting stringent quality and safety standards for your peace of mind.CS03XL Laptop Battery is a high-performance replacement battery specifically designed for compatibility with a range of HP laptops, including the Elitebook 745, 755, 840, 848, 850 G3, G4, and ZBook 15u G3, G4 models. This battery ensures consistent and reliable power delivery, thanks to its advanced lithium-ion cell technology, allowing users to extend their laptop's battery life and enhance performance. It is compatible with part numbers such as HSTNN-UB6S, HSTNN-IB6Y, and 800231-141, offering a versatile solution for multiple devices. Built to meet or exceed original specifications, this battery provides an easy-to-install and dependable replacement for your HP laptop, making it perfect for professionals on the go who need consistent and long-lasting power for their daily computing needs.