Fancy Buying Laptop Battery for HP ProBook 440/450

Fancy Buying replacement battery: a 11.1V, 5200mAh Li-ion pack engineered to restore runtime for HP ProBook 440, 450, 445, 470 and 455 G0/G1 series laptops.

If your ProBook no longer holds charge or the system reports a degraded battery, this Fancy Buying battery is built as a direct substitute for HP part numbers like 708457-001 and 708458-001 and model codes FP06, FP09, H6L26AA, H6L27AA and multiple HSTNN variants. It uses a six-cell 3‑cell‑group configuration rated at 11.1 volts and 5200mAh (approx. 57.7Wh) and includes protection circuitry to reduce risks from overcharge, overdischarge, short circuits and excessive temperature.

Which HP models and part numbers does this battery replace?

This battery is designed for a wide range of ProBook and related models. It fits HP ProBook 440, 450, 445, 470 and 455 in the G0 and G1 generations and several ElitePad/EliteBook variants that use the same battery footprint.

• Compatible part numbers: 708457-001, 708458-001, 707616-141, 707616-242, 707616-851, 707617-421.
• Model codes supported: FP06, FP09, H6L26AA, H6L27AA and many HSTNN-xxxx codes.
• Works with numerous HSTNN references listed in the product features for broad compatibility.

How long will the Fancy Buying battery last and what protections does it include?

The pack is rated for up to 500 recharge cycles under normal use; actual cycle life depends on charge habits and temperature. Built-in circuit protection helps keep the pack operating safely by monitoring current, voltage and temperature.

• Rated cycles: up to 500 full charge/discharge cycles.
• Protections: overcharge, overdischarge, short-circuit and over-temperature control.
• Performance: 11.1V nominal, 5200mAh capacity for extended runtime compared to worn OEM packs.

Will this battery fit and install easily in my laptop?

Yes—this is a form-fit replacement that matches the original battery's connector and mounting points for the listed ProBook series. Installation is a simple swap: power down, remove the old pack, and secure the new one in place following HP's battery removal instructions.

• Form factor: direct replacement for specified HP ProBook G0/G1 batteries.
• Connector: compatible with the original battery plug and board interface.
• Installation: user-replaceable with basic tools; consult your service manual if unsure.

Who is this for? This Fancy Buying battery is ideal for ProBook owners, IT technicians and refurbishers who need a reliable replacement to revive older HP 440/450/445/470/455 laptops. Choose it when your machine displays battery warnings, shuts down quickly on battery power, or when you want a cost-effective way to extend usable laptop life without upgrading hardware. It’s also suited for businesses and schools standardizing replacement parts across multiple similar HP models.

Warranty and support: the battery is new, assembled with quality cells and circuit boards, meets OEM standards for safety, and comes with a 12‑month warranty plus a 30‑day money‑back policy. If you need help confirming compatibility, use the part numbers provided or contact Fancy Buying customer support via the product page.