Fancy Buying BI03XL Laptop Battery for HP Pavilion x360 13

This Fancy Buying BI03XL is a direct-fit 42Wh Li‑Polymer replacement battery made to restore portable power for select HP Pavilion x360 13 and HP Stream 14 models.

If your laptop no longer holds charge or shuts down unexpectedly, this BI03XL (also listed as ON03XL / 0N03XL / HSTNN variants) offers a factory‑style replacement engineered to match original specifications. It uses a three‑cell Li‑polymer design rated at 11.55V and 42Wh capacity, designed for everyday productivity and light multimedia use. The pack meets CE and FCC safety certification standards and comes with a 12‑month replacement warranty and a 60‑day return window.

Which HP laptops will this battery work with?

The BI03XL is built for a range of HP Pavilion x360 13‑series convertible laptops and HP Stream 14 models. Compatibility covers OEM part numbers and common aftermarket listings so you can replace older packs without modifying the machine. Always cross‑check your current battery part number before ordering.

• Compatible models: HP Pavilion x360 13‑u000/m3‑u000 series, HP Stream 14‑ax000 series
• Referenced part numbers: BI03XL, ON03XL, 0N03XL, HSTNN‑UB6W, HSTNN‑LB7P, TPN‑W118
• Alternate OEM codes included: 843537‑42/54, 844203‑850/855, 915486‑855

How much runtime can I expect and what are the specs?

Runtime depends on your device’s usage, screen brightness, background apps, and power profile. The pack is rated 42Wh at 11.55V and uses three Li‑polymer cells designed for a balance of energy density and slim form factor. Typical light‑use scenarios (web browsing, document editing) will see a noticeable improvement over a degraded original battery.

• Battery chemistry: Li‑polymer for compactness and consistent discharge
• Voltage & capacity: 11.55V, 42Wh (3 cells)
• Cycle life: approximately 500 recharge cycles under normal conditions

Is it safe and will it fit without modifications?

This replacement undergoes CE and FCC certification checks and is manufactured with standard HP‑compatible contacts and mounting points. It installs like the original pack — no soldering or adapter cables required — and is intended to meet the same physical fit and electrical requirements as the OEM part numbers listed. Follow basic safety precautions when handling and installing battery packs.

• Certifications: CE and FCC compliant
• Design: direct‑fit replacement matching OEM contact layout
• Safety: handled and shipped per standard battery transport guidelines

What after‑sales support and return options are included?

Fancy Buying provides a 60‑day return window and a 12‑month replacement warranty for manufacturing defects. If you need help confirming compatibility or guidance during installation, contact seller support via the store's "ask a question" link. Keep order and device details handy to speed resolution.

• Return policy: 60 days from receipt
• Warranty: 12 months replacement for defects
• Support: contact via seller store "ask a question" button

Who is this for? If you own an HP Pavilion x360 13 series or an HP Stream 14 that no longer holds a reliable charge, or you need an OEM‑style swap for an older or failing battery, the Fancy Buying BI03XL offers a straightforward replacement. It's suited for students, remote workers, and anyone needing simple, cost‑effective battery renewal without changing chargers or adapters. Verify your laptop’s current battery part number against the listed compatibility codes before purchasing.