Bituli HT03XL Laptop Battery for HP Pavilion 15

Bituli HT03XL is a direct replacement laptop battery designed to restore on‑the‑go runtime for compatible HP Pavilion and select HP Notebook models.

If your HP Pavilion 15 or related notebook is showing short runtimes, this Bituli HT03XL battery offers a like‑for‑like swap: 11.55V, 41.9Wh (3630mAh) lithium‑ion chemistry in a 3‑cell pack engineered to match original OEM capacity and fit. Built and tested by a professional battery manufacturer, the pack uses grade A cells and meets common safety certifications so you can replace your old battery with confidence.

Which HP models and part numbers will this HT03XL battery work with?

The Bituli HT03XL is compatible with a broad list of Pavilion and HP notebooks and replaces multiple OEM part numbers. It fits Pavilion 15 series variants as well as certain 14‑ and 17‑inch lines, and it cross‑references many HP part numbers commonly printed on original batteries.

• Compatible families: HP Pavilion 15 (CS, DA, DB, DY, CW) and selected 14/17 G-series notebooks.
• Replaces part numbers such as L11421‑1C1, L11421‑2C2, TPN‑I130, TPN‑Q208 and similar.
• Also fits G7 series models like 240 G7, 245 G7, 250 G7 and 255 G7 where HT03XL/HTO3XL is specified.

How does this replacement battery compare to the original HP pack?

Bituli designed this pack to match the original battery’s voltage and capacity so you get comparable runtime and system behavior. The 11.55V, 41.9Wh rating yields the same energy on paper, while the three‑cell lithium‑ion construction provides stable discharge characteristics under normal laptop workloads.

• Same nominal voltage (11.55V) and capacity (41.9Wh / 3630mAh) as many OEM HT03XL packs.
• Grade A battery cells for consistent charge/discharge performance.
• Form factor and connector engineered to match OEM physical fit and contacts.

Is the Bituli HT03XL safe and supported?

Safety and support are part of the product offering: the pack is manufactured to meet common industry certifications and Bituli provides after‑sale support. If a replacement or refund is needed, their stated policies offer a safety net during the first year of use.

• Manufactured to CE, FCC, RoHS and UL safety and environmental standards.
• 30‑day refund window plus 12‑month replacement warranty.
• 24/7 email support for installation questions and troubleshooting.

How do I install and verify compatibility with my notebook?

Installation is straightforward: power down, remove the old battery according to your laptop’s service instructions, and fit the Bituli pack in place making sure the connector seats fully. After installation, verify the system recognizes the battery and perform a full charge cycle to allow the battery management system to calibrate.

• Always shut down and disconnect AC power before swapping batteries.
• Compare printed part numbers on your original pack to Bituli cross‑reference list for a match.
• After install, charge fully and run a short discharge to let power management adapt.

Who is this for? The Bituli HT03XL is intended for HP laptop users whose original battery no longer holds sufficient charge and who need an OEM‑compatible replacement without upgrading the laptop itself. It’s best for students, remote workers, technicians, and anyone maintaining mixed HP Pavilion fleets who want reliable runtimes, certified safety, and manufacturer support backed by a 12‑month replacement promise.