HP ProBook 450 G8 Laptop Battery Replacement (RH03XL / 11.4V 45Wh 3-Cell Li-ion)

This HP ProBook 450 G8 battery is a replacement internal battery designed for HP ProBook 450 G8 laptops and closely related models in the G8 series, delivering a stable 11.4V output with approximately 45Wh capacity for consistent everyday performance such as office work, browsing, and business use. It commonly corresponds to battery models such as RH03XL and compatible part numbers used across ProBook 430 G8, 440 G8, 445 G8, 450 G8, 455 G8, 630 G8, and 640 G8 series laptops, ensuring proper fit and compatibility. The lithium-ion 3-cell design provides efficient energy storage, long cycle life, and dependable performance, while integrated safety circuits protect against overcharging, overheating, and short circuits, making it a reliable replacement for a worn-out or faulty original battery.