EFOHANA CP03XL Laptop Battery for HP Spectre x360 13

EFOHANA CP03XL is a 100% new Li-ion replacement battery designed to restore full mobile runtime for HP Spectre x360 13‑ae series laptops.

If your HP Spectre x360 is losing charge quickly or won’t hold power, this EFOHANA CP03XL battery provides a direct-fit alternative to the original pack. It matches the factory voltage and capacity—11.55V and 60.9Wh (5275mAh)—and uses updated circuit boards and a smart protection chip to help maintain stable performance during daily use.

How do I know this battery fits my HP Spectre x360?

The CP03XL is built to replace several HP part numbers and to physically match the Spectre x360 13‑ae/13t‑ae model footprints. Confirm compatibility by checking your existing battery’s model or your laptop’s service label.

• Compatible part numbers: CP03XL, 929072-855, CPO3XL, CP03060XL, 929066-421, HSTNN-LB8E.
• Fits HP Spectre x360 13‑ae0xx, 13‑ae000, 13‑ae006no, 13‑ae001ng, 13‑ae049ng, 13‑ae013dx, 13‑ae011dx, 13‑ae040ng series.
• Also fits HP Spectre 13 x360 13t‑ae000 and 13t‑ae012dx variants.
• Note: this listing supplies the short connector variant; verify connector type before purchase.

What are the technical specs and safety features?

This replacement pack mirrors the original battery’s electrical specifications while adding modern safety controls. It uses lithium‑ion cells and a built‑in protection circuit to guard against overcharge, overdischarge, and short circuits.

• Voltage: 11.55V; Capacity: 60.9Wh / 5275mAh.
• 100% new manufacturer-grade cells with upgraded top circuit boards and a smart chip.
• CE certified and tested for electrical stability and safety.
• Comes with handling and installation guidance to reduce risk during replacement.

How should I install and initialize the new battery?

Follow standard ESD-safe procedures when swapping the battery. If the laptop doesn’t immediately recognize the new pack, a short initialization routine usually resolves the issue.

• Power down, disconnect charger, remove the back panel and replace the battery following manufacturer instructions.
• If not detected, reseat the connector to ensure a full interface connection.
• Discharge the new battery to about 10% (avoid 0%), then fully charge and repeat 3–4 cycles to condition the pack.
• Contact EFOHANA support from your order page for assistance if problems persist.

What warranty and post‑purchase support does EFOHANA provide?

The battery includes customer protections to give you confidence after purchase. Keep the order details to access returns or warranty service if needed.

• 30‑day return and exchange policy for eligible issues.
• 12‑month limited warranty covering manufacturing defects.
• Customer support available via the seller contact option on your order page.

Who is this for: The EFOHANA CP03XL replacement battery is intended for owners and technicians of HP Spectre x360 13‑series laptops who need a direct, cost‑effective battery swap to restore portable runtime. It’s a good fit for users who can perform a safe battery replacement or work with a qualified service technician, and for buyers seeking CE‑certified Li‑ion performance and a 12‑month warranty without buying an OEM pack.