TREE.NB TT03XL battery front view for HP EliteBook and ZBook laptops, reliable daily power.
TREE.NB TT03XL battery side view showing slim profile for easy replacement.
TREE.NB TT03XL battery label information with voltage and capacity.
TREE.NB TT03XL compatibility list image displaying supported models.
TREE.NB TT03XL packaging image showing contents and ready-to-use kit.
TREE.NB TT03XL serial number close-up for authenticity.
TREE.NB TT03XL battery reliability test and safety certifications.
TREE.NB TT03XL installed in HP EliteBook for extended performance.
TREE.NB TT03XL installed in ZBook for enhanced power upgrade.

TREE.NB

TREE.NB TT03XL 11.55V 56Wh Laptop Battery for HP EliteBook 850/755 and ZBook 15U G5/G6 – Up to 500 Cycles

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

$35.59

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

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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.

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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

Reliable replacement power for HP EliteBook and ZBook laptops

When your device depends on steady energy, the TREE.NB TT03XL battery provides a practical, plug-free option designed for select HP notebooks. Built to match the performance of originals, this 11.55V 56Wh 4-cell pack suits HP EliteBook 850 and 755 lines as well as ZBook 15U G5 and G6 series. With up to 500 recharge cycles over its life, it aims to support daily work, study sessions, and on-the-go productivity without frequent recharging interruptions.

This battery is 100% new from the manufacturer and uses Grade A cells for dependable power delivery and efficiency. A built-in circuit protection system helps support safe charging and stable operation in everyday use, giving you peace of mind when you’re relying on battery power between outlets.

Key specs at a glance

  • Specifications: 11.55V, 56Wh, 4 cells; TT03XL family replacement
  • Compatible part numbers: TT03XL 932824-1C1 932824-2C1 932824-421 933322-855 HSN-113C-5 HSN-I13C-5 HSTNN-DB8K HSTNN-LB8H HSTNN-UB7T TT03056XL
  • Quality and safety: 100% new from manufacturer; Grade A cells; built-in circuit protection
  • Supported models: HP ZBook 15U G5/G6; HP EliteBook 850 and 755 series

Best-fit models

  • HP ZBook 15U G5/G6 series including multiple listed configurations
  • HP EliteBook 850 G5/G6 series with common variants

Real-world use cases include long work sessions away from outlets, on-site presentations, and campus study periods where unplugged performance matters. You may experience smoother transitions between tasks, fewer interruptions for charging, and steadier performance during intense workloads. The battery’s compatibility across multiple HP lines adds flexibility for mixed devices in a workspace or school lab.

Why choose TREE.NB: a compatible, high-capacity option designed to support everyday tasks with attention to safety and reliability. The seller offers 24x7 email support to address questions and provide guidance, helping you navigate upgrades without delay.

What you get with TREE.NB TT03XL

  • 100% new from the manufacturer with Grade A cells
  • Circuit protection for safe charging and stable operation
  • Wide compatibility with HP EliteBook and ZBook models listed above
  • 24x7 email support for questions and guidance

FAQ

Q: Is this TREE.NB TT03XL battery compatible with my HP EliteBook or ZBook?

A: Yes, it's compatible with HP EliteBook 850/755 and ZBook 15U G5/G6 series listed above.

Q: What safety and support options come with this battery?

A: 100% new from the manufacturer with Grade A cells and circuit protection; 24x7 email support is available.

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