Fancy Buying CA06XL Laptop Battery for HP ProBook 640/650

Power your HP ProBook again with the Fancy Buying CA06 / CA06XL replacement battery — a 6-cell 5200mAh Li-ion pack built to restore reliable runtime for 640, 645, 650 and 655 series laptops.

When your HP ProBook no longer holds charge or the original pack fails, the Fancy Buying CA06 family (including CA06XL and compatible part numbers) offers a direct-fit substitute. Designed to match OEM dimensions and electrical specs, this 11.1V, 6-cell battery replaces a wide range of HP spare numbers so you can continue using your laptop for everyday work, study, and travel without interruption.

Which HP models and part numbers will this Fancy Buying battery replace?

This replacement pack is compatible with many HP ProBook 600-series systems and matches multiple manufacturer part numbers, making it simple to find the correct swap. Check your laptop’s model or the part number on the original battery to confirm fit before ordering.

• Fits HP ProBook 640, 640 G1, 645, 645 G1, 650, 650 G1, 655, 655 G1 models.
• Cross-references include CA06, CA06XL, CA09 and OEM numbers like 718677-421, 718678-421, 718755-001, 718756-001.
• Also compatible with HSTNN series references: HSTNN-DB4Y, HSTNN-LB4X, HSTNN-LB4Y, HSTNN-LB4Z, HSTNN-LP4Z and variants.

What are the technical specs and safety features of this battery?

The Fancy Buying CA06 battery delivers reliable electrical specifications and onboard protections to guard both the cell and your laptop. It’s built from quality Li-ion cells with circuit protections to prevent common battery faults.

• Type: Lithium-ion (Li-ion); Capacity: 5200mAh; Voltage: 11.1V; Cells: 6-cell configuration for balanced power.
• Integrated protection circuits for overcharge, over-discharge, over-temperature, and short-circuit scenarios.
• Manufactured to meet OEM-style standards and rated for up to roughly 500 recharge cycles under normal use.

How will installation and daily use work with this replacement battery?

Installation is straightforward — remove the original pack and slide the Fancy Buying unit into the same bay; no special tools or drivers required. Once installed, the battery will charge and report status through your laptop’s battery indicator as an OEM-like replacement.

• Hot-swap friendly for models with accessible battery bays; follow your HP manual for safe removal and installation.
• Charges with your laptop’s original AC adapter and power management software.
• Expect normal battery behavior in Windows power settings; perform one full charge/discharge cycle for best calibration.

What warranty, support, and quality assurances come with this Fancy Buying battery?

Fancy Buying backs this battery with customer-friendly coverage and responsive support so you can buy with confidence. If anything goes wrong, the return and warranty process is straightforward.

• 30-day full refund window if the product arrives defective or doesn’t fit your system.
• 12-month limited warranty with responsive email support; seller promises a reply within 24 hours to inquiries.
• New manufacturer-quality assembly with tested circuit boards and cell grading to meet safety expectations.

Who is this for: The Fancy Buying CA06 / CA06XL replacement battery is aimed at HP ProBook owners who need a cost-effective, OEM-compatible battery to restore useful runtime. It suits students, professionals, IT technicians, and anyone maintaining HP ProBook 640–655 G0/G1 machines who prefers a direct-fit, protected Li-ion pack backed by a 12-month warranty and seller support.