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PSA 2-Power 2P-L20M4PDB battery for Lenovo ThinkBook 14 G3 ITL 21A3, showing top label and connector
PSA 2-Power 2P-L20M4PDB battery for Lenovo ThinkBook 14 G3 ITL 21A3, showing top label and connector
Lenovo ThinkBook 14 G3 ITL 21A3 replacement battery by PSA 2-Power, highlighting M2x4 mounting tabs
PSA 2-Power 2P-L20M4PDB laptop battery, rear view with multi-pin connector and mounting holes
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PSA 2-Power 2P-L20M4PDB Battery Lenovo ThinkBook 14 G3 ITL 21A3 Battery

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1 Year Warranty

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$57.99 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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Product Code: BTEL-2588

MPN #: 2P-L20M4PDB

Product Condition: New

Never run out of power when you need to finish a report or join a video call - a reliable replacement battery keeps your ThinkBook alive wherever you work. The PSA 2-Power 2P-L20M4PDB Battery Lenovo ThinkBook 14 G3 ITL 21A3 Battery is a direct-fit lithium polymer pack that restores the original runtime of your notebook, letting you stay productive without hunting for an outlet.

Benefits of 2-Power Battery

You enjoy fast charging that gets you back to work quickly, while the high-grade cells provide consistent power throughout the day. The built-in SmartWatch Protect watches temperature and current, giving you peace of mind against overheating. Its lightweight design means the laptop stays easy to carry, and the one-year limited warranty adds confidence to your purchase. Overall, the battery delivers dependable performance that matches the original equipment.

Key Features of a 3000 mAh Battery
  • Capacity: 3000 mAh - delivers the same runtime as the original pack.
  • Energy: 46 Wh - provides enough power for extended use on a single charge.
  • Voltage: 15.4V - matches the notebook’s required voltage for optimal performance.
  • Technology: Lithium polymer - offers a stable discharge curve and longer life.
  • Colour: Black - blends seamlessly with the laptop’s design.
  • Weight: 7.27oz - keeps the notebook light and portable.
  • Compatibility: Lenovo ThinkBook 14 G3 ITL 21A3 - fits perfectly without modifications.
  • OEM Equivalent: Lenovo L20M4PDB - meets the same standards as the factory part.
  • Packaged Quantity: 1 - ready to install as a single replacement unit.
  • Warranty: Limited warranty - 1 year - protects your investment with manufacturer support.

Usages of a 3000 mAh Battery

A reliable power source fits naturally into your daily routine:

  • Working from home where power sockets are limited.
  • Attending meetings in cafés or co-working spaces.
  • Traveling on business trips and needing long unplugged periods.
  • Using intensive applications such as video editing or data analysis.
  • Keeping the laptop ready for emergency presentations.

2-Power Battery Choice

Many buyers worry that third-party batteries won’t match the original’s performance or could damage the laptop. Concerns often focus on capacity loss, overheating, or short warranty periods.

The PSA 2-Power 2P-L20M4PDB Battery Lenovo ThinkBook 14 G3 ITL 21A3 Battery removes those doubts. It uses high-grade Samsung and Panasonic cells, includes SmartWatch Protect monitoring, and carries a full one-year warranty, ensuring the same capacity, safety and reliability as the OEM part while offering a cost-effective solution.


Specifications
Miscellaneous
Miscellaneous / Color CategoryBlack
Miscellaneous / OEM Manufacturer Battery EquivalentLenovo L20M4PDB
Header
Header / Product Line2-Power
Header / Packaged Quantity1
Dimensions & Weight
Dimensions & Weight / Weight7.27oz
Manufacturer Warranty
Manufacturer Warranty / Service & SupportLimited warranty - 1 year
Battery
Battery / Capacity3000 mAh - 46 Wh
Battery / Capacity (Wh)46Wh
Battery / Voltage Provided15.4V
Battery / Capacity (Ah)3000mAh
Battery / TechnologyLithium polymer
Service & Support
Service & Support / Type1-year warranty
General
General / Product TypeNotebook battery
General / Device TypeNotebook battery
General / SubcategoryBatteries
Summary Details
TypeBattery
Brand compatibilityLenovo
CompatibilityThinkBook 14 G3 ITL 21A3

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