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HSTNN-OB2J 51.3 Wh 3-cell battery showing top label, connector, and mounting tabs
HSTNN-OB2J 51.3 Wh 3-cell battery showing top label, connector, and mounting tabs
Close-up of HSTNN-OB2J battery cable connector and CE certification mark
HSTNN-OB2J laptop battery side view with UKCA compliance logo

Battery Technology HSTNN-OB2J 51.3 Wh 3-cell Battery

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$78.99 exc. VAT Note: VAT will be charged for UK & EU Countries at checkout. For Zero VAT (for EU buyers), please provide a VAT number at checkout.

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Dispatch Time: Next Working Day Dispatch timelines are estimates and may vary due to unforeseen delays of 1-2 working days for small orders. Larger quantities may require additional processing time.

Product Code: BTEL-3338

MPN #: HSTNN-OB2J-BTI

Product Condition: New

Running out of power mid-task is frustrating, especially when you rely on a laptop for work or study. The Battery Technology HSTNN-OB2J 51.3 Wh 3-cell Battery gives you a reliable, high-capacity power source that keeps your HP notebook alive longer, so you can stay productive without hunting for an outlet.

Benefits of Battery Technology Battery

You enjoy extended runtime that lets you finish projects without interruption, while the lithium-ion chemistry provides stable performance day after day. The 51.3 Wh capacity reduces the need for frequent recharging, giving you peace of mind on long trips. Its built-in safety certifications mean you can trust it to operate safely in any environment. The black finish blends seamlessly with most laptop designs, maintaining a professional look.

Key Features of a 51.3 Wh Battery
  • Brand compatibility: HP. Works perfectly with HP laptops, ensuring a snug fit and proper communication.
  • Product colour: Black. Discreet appearance that matches the original device aesthetic.
  • Battery capacity: 51.3 Wh. Supplies ample energy for prolonged use without extra chargers.
  • Battery voltage: 11.58 V. Provides the correct power level for optimal device performance.
  • Number of battery cells: 3. Balanced cell design delivers reliable power output.
  • Battery technology: Lithium-Ion (Li-Ion). Offers high energy density and long service life.
  • Compliance certificates: CE, UKCA. Meets European safety standards for confidence in use.
  • Number of batteries included: 1 pc(s). One ready-to-install unit per package.
  • Summary capacity: 4430 mAh. High milliamp-hour rating translates to longer periods between charges.

Usages of a 51.3 Wh Battery

Ideal for everyday scenarios, this battery fits naturally into your routine:

  • Working from coffee shops where power outlets are scarce.
  • Attending back-to-back meetings or lectures without a charger nearby.
  • Traveling on trains or planes, keeping your laptop alive through long journeys.
  • Conducting field research or site visits that require reliable portable power.
  • Using intensive applications such as video editing or CAD software at home.

Why Choose a Battery Technology Battery

Many buyers worry that third-party batteries won’t match the original’s performance or may void warranties. You might also fear reduced lifespan or safety issues with unknown brands. These concerns often lead to hesitation or the decision to stick with expensive OEM options.

Battery Technology addresses these doubts by offering a CE and UKCA certified lithium-ion pack that meets the exact voltage and capacity specifications required by HP laptops. The 51.3 Wh rating and 4430 mAh capacity ensure you receive comparable endurance to the manufacturer’s unit, while the single-cell packaging simplifies replacement. By choosing this battery you gain confidence in safety, compatibility, and value without compromising on quality.


Specifications
Features
Brand compatibilityHP
Product colourBlack
Battery capacity51.3 Wh
Battery voltage11.58 V
Number of battery cells3
Battery
Battery capacity51.3 Wh
Battery technologyLithium-Ion (Li-Ion)
Certificates
Compliance certificatesCE, UKCA
Packaging data
Number of batteries included1 pc(s)
Summary Details
Battery capacity4430 mAh

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