Mobik BN03XL 51Wh Laptop Battery for HP Envy 13 / x360 15

Mobik BN03XL is a direct replacement 51Wh lithium‑ion battery engineered to restore reliable run time for compatible HP Envy 13 and Envy x360 15 notebooks.

If your HP Envy or Envy x360 laptop is no longer holding charge, the Mobik BN03XL battery offers a drop‑in replacement built from grade‑A cells, tested safety protections and supplied tools for installation. It matches the original battery’s voltage and form factor so it fits HP models listed for compatibility and includes multiple certifications for safe daily use.

Will this battery fit my HP Envy model?

The Mobik BN03XL was designed to be physically and electrically compatible with a wide range of HP Envy 13 and Envy x360 15 variants. Check the OEM part numbers on your existing battery or your notebook’s service label against the compatible part numbers provided. If they match, installation should be straightforward using the included screwdrivers.

• Fits BN03XL, L77034‑005, L76985‑271, L73965‑271 and related part numbers
• Compatible with Envy 13 (13‑ba series) and Envy x360 13/15 series models
• Ships with tools to access the battery compartment

How long will the replacement battery last and how many charge cycles can I expect?

Mobik uses high‑grade lithium‑ion cells rated to retain useful capacity through hundreds of charge cycles. While real‑world longevity depends on usage patterns and charging habits, the cells are rated for up to roughly 500 recharge cycles when used under normal conditions.

• Capacity: 51Wh (4195mAh) at 11.55V
• Grade‑A cells for sustained capacity over many cycles
• Built‑in protections against short circuit, overload and overheating

Is the Mobik BN03XL safe and certified?

Safety is addressed through component selection, manufacturing controls and third‑party certifications. The battery is manufactured to meet common global safety standards and includes multiple protection features to help prevent common battery faults.

• Certified to UL, CE, FCC and RoHS standards
• Includes protection against short circuit, overheat and overload
• Each unit undergoes quality checks before shipping

What’s included and how easy is installation?

The package includes the Mobik BN03XL battery and basic screwdrivers to help you replace the old pack without extra purchases. Installation is intended for users comfortable removing the laptop’s back cover; if you’re unsure, consult an HP service guide or a professional to avoid damage.

• Battery calibrated to OEM voltage and connector layout
• Provided screwdrivers for common Envy back‑cover screws
• 24/7 email support from Mobik for installation or compatibility help

Who is this for? The Mobik BN03XL is for HP Envy and Envy x360 owners whose original battery no longer supplies adequate runtime or who need a certified, high‑quality replacement. It suits DIY users comfortable opening their laptop as well as technicians looking for a reliable spare part, and it’s also appropriate for buyers who prioritize safety certifications and clear compatibility lists.