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Replacement Lenovo 42T4879 battery

The Lenovo 42T4879 Laptop Battery come with 100% compatibility guarantee and 1 year warranty, free shipping, dissatisfied 30 days money back. In addition, replacement parts supplied by meet or exceed OEM specifications.
Lenovo 42T4879 Laptop BatteryLenovo 42T4879 Laptop Battery
no lead
Brand new, 1 year warranty!
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  • Condition:
    100% New
  • Warranty:
    12 months
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  • Price:
    Starting at: £66.21  £25.31
    Save: 62% off
  • Updated:
    ( Apr-2017 )
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Product DescriptionDescription

Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

This Lenovo 42T4879 laptop battery can replace the following part numbers:

  • Lenovo 42T4879
  • 42T4880
  • 42T4881
  • 42T4882

This Lenovo 42T4879 laptop battery is also compatible with the following models:

  • Lenovo ThinkPad X220 Tablet
  • Lenovo ThinkPad X220i Tablet
  • Lenovo ThinkPad X220t Tablet

View Lenovo 42T4879 All Details...



How Can I Maximize My Lenovo 42T4879 Laptop Battery Performance?

  • New Lenovo 42T4879 batteries come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new battery two to four times to allow it to reach its maximum rated capacity.
  • Keep your battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-ion batteries which do not suffer from the memory effect.
  • It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the Lenovo 42T4879 battery and your portable device.
  • Do not leave your battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
  • If you don't plan on using the Lenovo 42T4879 battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, NiMH and Li-ion batteries will self-discharge during storage; remember to break them in before use. Sealed Lead Acid (SLA) batteries must be kept at full charge during storage. This is usually achieved by using special trickle chargers. If you do not have a trickle charger, do not attempt to store SLA batteries for more than three months.
  • To get maximum performance from your Lenovo 42T4879 battery, fully optimize the notebook's power management features prior to use. Power management is a trade off: better power conservation in exchange for lesser computer performance. The power management system conserves battery power by setting the processor to run at a slower speed, dimming the screen, spinning down the hard drive when it's not in use and causing the machine to go into sleep mode when inactive. Your notebook user's guide will provide information relating to specific power management features.


The Lenovo 42T4879 Laptop Batteries supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computer manufacturers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers of the computers with which our products [are replacement for] may be used.

If you need a part for your model that is not listed above, Just tell us your laptop battery number and your laptop model, we can help you find any replacement laptop battery you need. Please email us via

Our customer service professional may be able to find the product or information that you are looking for or help you refine your search.

Select a letter to view all models that begin with that letter: 0, 1, 2, 3, 4, 5, 7, 9, A, B, C, F, G, H, K, L, M, N, O, P, S, X, 1, 2, 3, 4, 8, A, B, C, E, F, G, H, I, K, L, M, N, P, R, S, T, U, V, X, Y, Z


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We also can ship our Lenovo 42T4879 battery to the Netherlands, Spain, Denmark, Ireland, Sweden, Germany, France, Italy, Greece, Portugal, Belgium, Finland, Malta, Cyprus, Luxembourg, Britain,Poland, Hungary, the Czech Republic, Slovakia, Slovenia, Estonia, Latvia, Lithuania, Romania, Bulgaria and other EU countries, we also can ship item to USA, Canada, Australia and other 220 countries in the world.

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Customers Re

  • Reviewed By: Jarrett Cavallario
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Monday 27 February, 2012
  • Rating:RatingRatingRatingRatingRating
  • Got the battery today. everything is normal, feeling this battery quality is very good!
  • Reviewed By: Ervin Dapas
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Wednesday 22 February, 2012
  • Rating:RatingRatingRatingRatingRating
  • Nice product. May be order more later on.
  • Reviewed By: Leopoldo Mead
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Tuesday 07 February, 2012
  • Rating:RatingRatingRatingRatingRating
  • Great quality for the price, and a very good service!
  • Reviewed By: Ricarda Poulson
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Friday 03 February, 2012
  • Rating:RatingRatingRatingRatingRating
  • Great experience.
  • Reviewed By: Carey Seagrave
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Wednesday 11 January, 2012
  • Rating:RatingRatingRatingRatingRating
  • Great Product..
  • Reviewed By: Buster Berendzen
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Saturday 25 June, 2011
  • Rating:RatingRatingRatingRatingRating
  • cheap price and high quality battery. i recommend it to everyone
  • Reviewed By: Betsy Halaas
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Monday 28 March, 2011
  • Rating:RatingRatingRatingRatingRating
  • Competitive price. Free shipping. Easy checkout. Would buy another product from again
  • Reviewed By: Selena Heasley
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Sunday 12 December, 2010
  • Rating:RatingRatingRatingRatingRating
  • I'm very satisfied with the product and the service.
  • Reviewed By: Digna Mustoe
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Thursday 15 April, 2010
  • Rating:RatingRatingRatingRatingRating
  • Great selection of laptop batteries, prompt service, and good after sales support
  • Reviewed By: Kimbery Roches
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Tuesday 01 December, 2009
  • Rating:RatingRatingRatingRatingRating
  • Fantastic service, fast delivery and it looks great.Thanks!
  • Reviewed By: Malorie Bost
  • Product: Lenovo 42T4879 Laptop Battery
  • Date Added: Thursday 24 January, 2008
  • Rating:RatingRatingRatingRatingRating
  • Got the package today. This battery is fairly cheap with such a good quality. Thanks!

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