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PSA 2-Power 42Wh 11.1V laptop battery showing top label and connector pins
PSA 2-Power 42Wh 11.1V laptop battery showing top label and connector pins
PSA 2-Power 45N1091 notebook battery back view with mounting tabs and cable
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PSA 2-Power 42Wh 11.1V Battery

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New

1 Year Warranty

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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-500

MPN #: 2P-45N1091

Product Condition: New

Running out of power when you need to work or study can ruin a whole day, and a weak laptop battery only makes it worse. The PSA 2-Power 42Wh 11.1V Battery is a high-capacity replacement that fits your notebook perfectly, giving you reliable power for longer sessions without hunting for an outlet.

Benefits of PSA Battery

You enjoy faster charging so you spend less time tethered to a wall. The lithium-polymer chemistry provides steady voltage, keeping your laptop stable during demanding tasks. With built-in SmartWatch Protect, the battery guards against short circuits and overheating, giving you peace of mind. Its 42 Wh capacity means you can work, stream, or travel longer before needing a recharge, and the one-year limited warranty adds confidence to your purchase.

Key Features of a 42Wh Battery
  • Capacity: 3850 mAh - delivers extended run-time for typical notebook use.
  • Capacity (Wh): 42 Wh - supplies enough energy for full-day productivity.
  • Voltage Provided: 11.1 V - matches original specifications for optimal performance.
  • Technology: Lithium polymer - offers higher energy density and lighter weight.
  • Colour Category: Black - blends seamlessly with most laptop designs.
  • OEM Equivalent: Lenovo 45N1091 - ensures perfect compatibility with the original model.
  • Packaged Quantity: 1 - you receive a single, ready-to-install battery.
  • Weight: 11.67 oz - light enough to keep your laptop portable.
  • Manufacturer Warranty: Limited warranty - 1 year - protects your investment.
  • Product Type: Notebook battery - designed specifically for laptops.

Usages of a 42Wh Battery

A 42 Wh notebook battery fits naturally into everyday routines:

  • Working from home or the office, keeping your laptop alive through long meetings.
  • Attending lectures or seminars where power outlets are scarce.
  • Traveling on trains or planes, avoiding the need for extra chargers.
  • Using intensive applications like video editing or gaming without sudden shutdowns.
  • Studying in cafés, where you can stay productive for hours.

Why Choose a PSA Battery

Many buyers worry that third-party batteries won’t match the reliability of the original, or that they might damage the laptop. Concerns also include short lifespan, slow charging, and safety risks such as overheating. These doubts often lead shoppers to stick with expensive OEM options or settle for low-quality replacements.

The PSA 2-Power 42Wh 11.1V Battery removes those worries. It is built from high-grade cells supplied by Samsung and Panasonic, guaranteeing the same performance standards as the original. The SmartWatch Protect system continuously monitors charge cycles, preventing short circuits and overheating, so you can trust the battery’s safety. With a 42 Wh capacity and 11.1 V output, it delivers the power you expect, while the one-year warranty backs up its durability. This combination of quality, safety, and value makes it a sensible choice for anyone needing a dependable notebook power source.


Specifications
Miscellaneous
Miscellaneous / Color CategoryBlack
Miscellaneous / OEM Manufacturer Battery EquivalentLenovo 45N1091
Header
Header / Product Line2-Power
Header / Packaged Quantity1
Dimensions & Weight
Dimensions & Weight / Weight11.67oz
Manufacturer Warranty
Manufacturer Warranty / Service & SupportLimited warranty - 1 year
Battery
Battery / Capacity3850 mAh - 42 Wh
Battery / Capacity (Wh)42Wh
Battery / Voltage Provided11.1V
Battery / Capacity (Ah)3850mAh
Battery / TechnologyLithium polymer
Service & Support
Service & Support / Type1-year warranty
General
General / Product TypeNotebook battery
General / Device TypeNotebook battery
General / SubcategoryBatteries
Summary Details
TypeBattery

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