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High quality battery CS03XL Battery Compatible with HP Elitebook 745 755 840 848 850 G3 G4, ZBook 15u G3 G4 Laptop, P/N: HSTNN-UB6S HSTNN-IB6Y 800231-141 800513-001 800231-1C1 CS03046XL
Genuine CS03XL Battery for HP EliteBook 840 G3 G4, 850 G3 G4, ZBook 15u G3 G4 | HSTNN-UB6S, HSTNN-IB6Y Replacement
Genuine CS03XL Battery for HP EliteBook 840 G3 G4, 850 G3 G4, ZBook 15u G3 G4 | HSTNN-UB6S, HSTNN-IB6Y Replacement
Genuine CS03XL Battery for HP EliteBook 840 G3 G4, 850 G3 G4, ZBook 15u G3 G4 | HSTNN-UB6S, HSTNN-IB6Y Replacement
Genuine CS03XL Battery for HP EliteBook 840 G3 G4, 850 G3 G4, ZBook 15u G3 G4 | HSTNN-UB6S, HSTNN-IB6Y Replacement

High quality battery CS03XL Battery Compatible with HP Elitebook 745 755 840 848 850 G3 G4, ZBook 15u G3 G4 Laptop, P/N: HSTNN-UB6S HSTNN-IB6Y 800231-141 800513-001 800231-1C1 CS03046XL

Original price was: $104.90.Current price is: $79.99.

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Shop the original HP CS03XL battery replacement for HP EliteBook and ZBook laptops. 100% genuine, high-capacity, and safety-tested for reliable power and long battery life. Fast shipping & warranty included!

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Genuine CS03XL Battery for HP EliteBook & ZBook Laptops

Keep your HP EliteBook or ZBook running at peak performance with the Genuine CS03XL Battery — a high-quality, long-lasting replacement engineered for reliability and safety. Designed specifically for HP EliteBook 745 G3/G4, 755 G3/G4, 840 G3/G4, 848 G3/G4, 850 G3/G4, and ZBook 15u G3/G4, this battery ensures consistent power output, stable charging cycles, and full compatibility with your original HP system.

Built with premium lithium-ion cells, the CS03XL offers 11.4V voltage and 52.5Wh capacity, providing dependable energy for long hours of professional work, presentations, or travel. Whether you’re replacing a worn-out battery or upgrading for longer unplugged performance, this OEM-grade unit delivers the balance of high efficiency, extended runtime, and safety you can trust.

Product Highlights:

  • Voltage: 11.4V

  • Capacity: 52.5Wh / 4600mAh

  • Cell Type: Grade A Li-ion cells for stable and efficient power delivery

  • Compatibility:
    HP EliteBook 745 / 755 / 840 / 848 / 850 G3 & G4 Series
    HP ZBook 15u G3 / G4 Series
    P/N: HSTNN-UB6S, HSTNN-IB6Y, 800231-141, 800513-001, 800231-1C1, CS03046XL

  • Safety Certified: Overcharge, overheat, and short-circuit protection

  • Reliable Replacement: 100% OEM compatible and tested to meet or exceed original HP standards

Why Buy This Battery?
✔ Perfect Fit: Seamlessly integrates with your HP EliteBook and ZBook without compatibility issues.
✔ High Performance: Maintains full power capacity for longer working sessions.
✔ Safe & Eco-Friendly: Built-in protection chips ensure safety and extended battery health.
✔ Cost-Effective Upgrade: Get OEM-level quality at a much better value — ideal for business users, students, and professionals.

Compatible Model: (the same laptop model will have several series. Make sure your battery model is CS03XL!)

Compatible with HP Elitebook 745 G3 G4

  • Z3T00UT T3L35UT T3L33UT T3L32UT T3L36UT T3L34UT P5W11UT 1FX56UT
  • 1FX54UT 1FX52UT 1FX55UT 1FX53UT 1FX57UT

Compatible with HP EliteBook 755 G3 G4

  • Z3T01UT T3L75UT T3L77UT T3L78UT T3L74UT T3L73UT T3L76UT
  • 1FX51UT 1FX49UT 1FX50UT 1FY98UT 1FY99UT

Compatible with HP EliteBook 840 G3 G4

  • Z2A59UT Z2A56UT Z2A57UT Z2A58UT X9U23UT X9U25UT X9U24UT T6F45UT V1H24UT T6F47UT Z2B09UT W0S14UT W0S13UT Z2B08UT V1H23UT T6F46UT V1H25UT T6F48UT T6F44UT Z2A55UT Z2A54UT
  • 1GE44UT 1GE40UT 1LB77UT 1LB79UT 1FY18UT 1GE46UT 1GE45UT 1GE39UT 1LB78UT 1LB76UT 1GE43UT 1GE42UT 1GE41UT

Compatible with HP EliteBook 850 G3 G4

  • V1H22UT V1P45UT V1H18UT V1H17UT V1H16UT V1H19UT V1H21UT V1H20UT W0S16UT W0S15UT Z3U88UT Z3U87UT V2W72UT Z3U83UT Z3U84UT Z3U85UT Z3U86UT
  • 1BS52UT 1BS54UT 1BS51UT 1BS53UT 1BS47UT 1BS49UT 1BS48UT 1BS46UT 1BS50UT

Compatible with HP ZBook 15u G3 G4 Mobile Workstation

  • V1H64UT T8R80AW V1H60UT V1H61UT V1H59UT T8R82AW X5E37AW X5E35AW V1H65UT V1P50UT V1H66UT V1H63UT V1H62UT
  • 1BS35UT 1BS32UT 1BS31UT 1BS34UT 1BS33UT

Genuine CS03XL Battery for HP EliteBook 840 G3 G4, 850 G3 G4, ZBook 15u G3 G4 | HSTNN-UB6S, HSTNN-IB6Y Replacement

Model

CS03XL
Voltage

11.4V
Capacity

46Wh
P/N

800231-141 800513-001 HSTNN-UB6S
HSTNN-IB6Y HSTNN-I33C HSTNN-I41C

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FAQ: Genuine CS03XL Battery for HP EliteBook 840 G3 G4 / ZBook 15u G3 G4 – Reliable, High-Performance Replacement

Q1: Is this CS03XL battery compatible with my HP EliteBook or ZBook model?
 Yes! This Genuine CS03XL Laptop Battery is fully compatible with a wide range of HP models, including EliteBook 745 G3/G4, 755 G3/G4, 840 G3/G4, 848 G3, 850 G3/G4, and ZBook 15u G3/G4. It supports HP part numbers HSTNN-UB6S, HSTNN-IB6Y, 800231-141, 800513-001, and 800231-1C1 — ensuring a perfect fit and reliable performance.

Q2: How long does the CS03XL battery last on a full charge?
 The CS03XL replacement battery delivers long-lasting power of up to 4–6 hours, depending on usage and settings. It’s built with premium lithium-ion cells for extended runtime, reduced power loss, and consistent performance even after hundreds of cycles.

Q3: Is this an original HP battery or a replacement?
 This is a genuine, brand-new HP CS03XL battery, not a cheap aftermarket copy. It meets or exceeds OEM specifications, offering the same reliability, safety, and energy efficiency as the original battery that came with your laptop.

Q4: What makes this CS03XL battery a better choice than generic ones?
 Unlike low-cost alternatives, this high-quality CS03XL battery features:

  • Grade-A lithium-ion cells for stable and safe power delivery

  • Built-in overcharge and short-circuit protection

  • Perfect compatibility with HP EliteBook and ZBook laptops

  • Strict quality control to ensure reliability and durability

It’s an excellent high-value replacement battery that offers OEM-level quality at a more affordable price.

Q5: How do I install and maintain the CS03XL battery for best performance?
 Installation is easy — simply remove the back cover, replace the old battery, and you’re ready to go. For longer battery life, avoid deep discharges and store the battery in a cool, dry place when not in use.

Q6: Why should I buy this battery from you?
 Because we guarantee 100% genuine parts, fast delivery, and excellent after-sales support. Every CS03XL battery is tested before shipping and comes with a 12-month warranty — giving you peace of mind and dependable power every day.

In summary:

The Genuine CS03XL Battery for HP EliteBook 840 G3 / ZBook 15u G4 offers superior quality, long battery life, and complete compatibility — all at a competitive price. It’s the smart, cost-effective solution to keep your HP laptop performing like new.

Disclaimer:
 All batteries sold on replacementbatterymall.com are replacement parts. replacementbatterymall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.

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