Fancy Buying BK03XL Battery for HP Pavilion x360 14

Replacement BK03XL battery for HP Pavilion x360 14-series laptops — 11.55V Li-ion, 42Wh, 4-cell pack tested for safety and reliable runtime.

If your HP Pavilion x360 14 laptop is losing battery life, this Fancy Buying BK03XL (HSTNN-LB7S / HSTNN-UB7G) battery is built to restore portable performance. Designed to match OEM electrical specifications, it fits a wide range of 14-ba and 14m-ba model numbers and includes circuit protections to help guard against short circuits, overcharge and excessive heat. The pack ships new, and Fancy Buying backs it with a 30-day refund window plus a 12-month warranty for added confidence.

Which HP models will this battery work in?

This replacement is compatible with many HP Pavilion x360 14-series convertible models. Verify your original part number or laptop model before purchase to ensure a correct fit.

• Fits HP Pavilion x360 14 and 14M series, including 14-ba000 and 14m-ba000 families.
• Matches OEM part numbers such as 916366-421, 916366-541, 916811-855, 916812-855 and BK03XL variants.
• Compatible model examples: 14m-ba011dx, 14m-ba013dx, 14m-ba015dx, 14m-ba114dx, 14-ba253cl and related SKUs.
• Press Ctrl+F on the product page to quickly find your exact model or part number.

How does the battery protect my laptop and maintain longevity?

The pack uses built-in circuitry and quality cells to reduce charge-related risks and extend usable cycles. Protection features monitor current and temperature while preventing overcharge and deep discharge that shorten battery life.

• Overcharge and over-discharge protection circuits included.
• Short-circuit and over-temperature safeguards to cut risk of damage.
• High-grade Li-ion cells rated for up to ~500 recharge cycles under normal use.
• Manufactured to meet OEM electrical specs (11.55V, 42Wh, 4-cell configuration).

What performance and physical specs should I expect?

Expect the same voltage and similar capacity as the original HP battery so power delivery and charge behavior remain consistent. Physical form factor and connector location are designed to match the laptop’s battery bay for straightforward installation.

• Voltage: 11.55V — matches OEM electrical requirements.
• Capacity: 42Wh (4-cell Li-ion pack) for balanced runtime and weight.
• Part numbers supported: BK03XL, BK03041XL, TPN-W125 and several HSTNN variants.
• Supplied new with tested cells and factory-installed protection board.

What warranty and after-sales support does Fancy Buying provide?

Fancy Buying includes a 30-day full refund policy and a 12-month limited warranty to resolve manufacturing defects or early failures. Customer support is reachable via the product page and aims to respond within 24 hours to help with returns or troubleshooting.

• 30-day money-back for dissatisfaction or fit issues.
• 12-month warranty covering defects in materials and workmanship.
• Support available through the "ASK A QUESTION" button on the listing.
• Response target: within 24 hours for warranty or product inquiries.

Who is this for? This battery is aimed at HP Pavilion x360 owners who need a reliable, OEM-spec replacement without buying a full new laptop. It’s suitable for students, professionals and casual users seeking restored mobility, safe charge control, and a backed warranty for peace of mind.