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BTI 74Wh 11.1V notebook battery top view showing safety labels and 6666mAh capacity
BTI 74Wh 11.1V notebook battery top view showing safety labels and 6666mAh capacity

Battery Technology BTI 74Wh 11.1V 6666mAh Battery

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$77.99 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-154

MPN #: 357F9-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 BTI 74Wh 11.1V 6666mAh Battery is a high-capacity notebook battery that keeps your device running longer, so you can stay productive without hunting for an outlet.

Usages of a 74Wh Notebook battery

This battery is ideal for students, professionals and travellers who need extended runtime on the go. It fits laptops that use the Dell 357F9 format, giving you reliable power for meetings, classes or long flights without interruption.

Benefits of Battery Technology Notebook battery
  • Longer work sessions: Provides up to 74 Wh of energy, reducing the need for frequent recharges.
  • Consistent performance: Delivers a stable 11.1 V output, ensuring your laptop runs smoothly.
  • Safe chemistry: Built with Li-Poly technology for reliable and safe operation.
  • Easy replacement: Comes as a single unit, compatible with Dell 357F9 models.
  • Peace of mind: Backed by an 18-month limited warranty for added confidence.

Battery Technology Notebook battery

Choosing this battery means you get more than just extra juice. The 6666 mAh capacity translates into noticeably longer usage periods, which is perfect for busy days when you can’t afford downtime. Its black finish blends seamlessly with most notebook designs, maintaining a clean look while delivering robust power.

With a solid 18-month warranty, you also benefit from manufacturer support that protects your investment. The battery’s six-cell construction ensures balanced discharge and longevity, giving you dependable performance over many charge cycles.

Key Features of a 74Wh Notebook battery
  • Voltage: 11.1V. Provides the correct power level for compatible laptops.
  • Capacity: 6666 mAh. Offers extended runtime for demanding tasks.
  • Watt-hour: 74 Wh. High energy storage for longer sessions without charging.
  • Chemistry: Lithium polymer. Ensures safety and efficient power delivery.
  • Cells: 6. Balanced cell arrangement for stable performance.
  • Colour: Black. Matches the aesthetic of most notebooks.
  • OEM Equivalent: Dell 357F9. Fits devices that use this original part number.
  • Warranty: 18-month limited. Gives you coverage and support.
  • Package Quantity: 1. One battery per order, ready for installation.
  • Product Type: Notebook battery. Designed specifically for laptop use.

Specifications
Miscellaneous
Miscellaneous / Color CategoryBlack
Miscellaneous / OEM Manufacturer Battery EquivalentDell 357F9
Header
Header / Product LineBTI
Header / Packaged Quantity1
Manufacturer Warranty
Manufacturer Warranty / Service & SupportLimited warranty - 18 months
Battery
Battery / Capacity6666 mAh - 74 Wh
Battery / Capacity (Wh)74Wh
Battery / Voltage Provided11.1V
Battery / Capacity (Ah)6666mAh
Battery / TechnologyLithium polymer
Service & Support
Service & Support / Type18-month warranty
General
General / Product TypeNotebook battery
General / Device TypeNotebook battery
General / SubcategoryBatteries
Summary Details
Number of batteries included1 pc(s)
Battery capacity6666 mAh
Battery capacity74 Wh
Battery technologyLithium-Ion (Li-Ion)
Battery voltage11.1 V
Product colourBlack

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