HP BI03XL Laptop Battery Replacement (11.55V / 41.7Wh Series)

This HP BI03XL battery is a reliable replacement designed to restore original performance for HP Pavilion x360 ultrabooks. It is fully compatible with the BI03XL / ON03XL battery family commonly used in Pavilion x360 13-u series and some HP Stream 14 models. Built with high-quality lithium-polymer cells, it delivers stable 11.55V output and consistent runtime for everyday tasks such as office work, browsing, media use, and portability-focused computing. The battery is an internal slim type designed for ultrabook chassis and includes essential safety protections such as overcharge, over-discharge, and short circuit protection to ensure safe and long-lasting operation.