HP 854054-002 19.5V 45W AC Power Adapter

The HP 854054-002 is a 45W AC power adapter outputting 19.5V at 2.31A through HP's 4.5mm Blue Smart Tip connector. What separates this from a generic replacement is the Smart Tip's authentication protocol: the connector communicates adapter identity and wattage to the host laptop's embedded controller, allowing the BIOS to correctly allocate power between the battery and system load. Without that handshake — which third-party adapters routinely fail — Pavilion laptops fall back to reduced-power operation and display persistent low-power warnings. The 100–240VAC input range means the adapter operates correctly on any mains standard globally, with only a physical plug adapter needed for non-NEMA outlets.

This adapter is the correct replacement for the HP Pavilion 17-f050np and other Pavilion models sharing the same power specification and Smart Tip connector. It is best suited for users whose primary activities are productivity, media consumption, and light creative work — the 45W budget is well-matched to the platform's CPU-only or low-end integrated graphics demands. For Pavilion configurations with dedicated GPUs running sustained workloads, the 45W ceiling means the adapter maintains system operation but may charge the battery slowly under maximum draw. The inclusion of the AC power cord makes this a complete, plug-in replacement with no additional purchases required.