Fancy Buying front view of CS03XL battery showing model and benefit fit
Fancy Buying close-up of battery label showing compatible part numbers
Fancy Buying detailed shot of connector terminals ensuring precise connection
Fancy Buying battery next to ruler to show compact thickness for portability
Fancy Buying installed battery inside EliteBook demonstrating easy replacement
Fancy Buying battery powering laptop on a work desk for extended runtime
Fancy Buying textured side profile showing durable casing and grip
Fancy Buying packaging box with battery and manual for ready-to-use delivery
Fancy Buying sticker with safety markings showing certified protection features

Fancy Buying

Fancy Buying CS03XL Battery for HP EliteBook G3 46Wh

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$37.24

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping and secure checkout on every U.S. order.

Free shipping

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

High-capacity compatible Li-ion replacement battery for HP EliteBook and ZBook G3 models, offering 14.4V and 46Wh power with built-in protection circuits.

If your HP EliteBook 745, 755, 840, 848, 850 G3 or ZBook 15u G3 has a noticeably shorter runtime or fails to hold charge, the Fancy Buying CS03XL replacement battery restores usable portable power. This unit is a direct-fit aftermarket alternative to original part numbers such as HSTNN-UB6S, HSTNN-IB6Y, 800231-141 and 800513-001, designed to match the laptop’s voltage and form factor while providing circuit protection for reliable daily use.

Will this battery fit my HP EliteBook G3 or ZBook 15u?

Yes — the battery is manufactured to be compatible with the listed EliteBook and ZBook G3 series. Before purchasing, compare the part numbers printed on your current battery or your laptop’s service documentation to the compatible P/N list to ensure a precise match.

  • Compatible with EliteBook 745, 755, 840, 848, 850 G3 series
  • Fits ZBook 15u G3 mobile workstation
  • Matches OEM P/Ns: 800231-141, 800513-001, CS03XL, CS03, HSTNN-UB6S, HSTNN-IB6Y
  • Check your current battery sticker for confirmation before ordering

How long will the Fancy Buying battery run and is it safe?

This battery supplies 14.4 volts at 46 watt-hours, giving a runtime comparable to original-equipment packs depending on workload and power settings. The pack includes overcharge and over-discharge protection circuits to maintain electrical stability during normal use.

  • 46Wh capacity for everyday productivity and light multimedia
  • 14.4V specification matches original laptop requirements
  • Built-in overcharge and discharge protection for safer operation
  • Designed to meet standard Li-ion handling and performance expectations

What installation and warranty support does Fancy Buying provide?

Installation is straightforward: power down the laptop, remove the old battery, then seat and secure this replacement in the same compartment. Fancy Buying backs the battery with a 12-month warranty and a 30-day refund window, plus customer support if you encounter issues.

  • Simple swap-in replacement — no special tools required for most models
  • 30-day refund policy for buyer peace of mind
  • 12-month limited warranty against manufacturing defects
  • Customer service available for compatibility or installation questions

Who is this for? The Fancy Buying CS03XL battery is intended for owners of compatible HP EliteBook and ZBook G3 laptops who need a reliable, cost-effective replacement for a worn or failing battery. It’s a practical choice for professionals, students, and technicians looking for a direct-fit, warranty-backed Li-ion pack that restores mobility without buying a new laptop.

FAQ

Q: Is the CS03XL an original HP battery?

A: No, it is an aftermarket replacement compatible with HP EliteBook and ZBook G3 models, matching the original voltage and form factor.

Q: What warranty comes with this Fancy Buying battery?

A: The battery includes a 12-month warranty and a 30-day refund window, plus customer support for installation help.

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