IBM 39J5057
IBM 39J5057
CE / RoHS / ISO9001 safety certification

Replacement 39J5057 3.7V 3.9Ah/14.4Wh Battery for IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870

Product Code:IBM2884

Any questions please contact us freely
  • free shipping

£ 74.39£ 87.13

Condition :Brand New

Item Code :IBM2884


Battery Type:Li-ion

Battery Voltage:3.7V

Battery Capacity:3.9Ah/14.4Wh


Warranty:Full 12 Months Warranty and 30 Days Money Back

Availability:IN STOCK!

Features of Our IBM 39J5057 replacement battery:
• Each IBM 39J5057 replacement battery unit is made of high-quality lithium-ion cells for longer last time.
• The battery is up to standard and fully compatible with original specifications.
• All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
• The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.



We focus on providing high quality batteries and related accessories. This New Laptop Battery for IBM 39J5057 is designed for long-lasting and stable performance. It provides a one-year warranty and has passed CE / RoHS / ISO9001 safety certification. Round-sealed package ,faster delivery and thoughtful after-sales service will make you feel assured to purchase.

Condition: Replacement, Brand New
Brand: IBM
Battery Type: Li-ion
Battery Voltage : 3.7V
Battery Capacity : 3.9Ah/14.4Wh
Warranty: 12 months

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

Compatible Part Numbers:
Compatible Part Numbers:

IBM 39J5555 97P4847 74Y6773 74Y9340
IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870

Security Technology

Product Feature:

Professional manufacturer,one year warranty,CE ROHS MSDS Certificates, 100% brand new IBM 39J5057 battery but low price,genuine grade A cell ensure the high quality and stable performance of our Laptop Battery.

Grade A cells Li-ion battery for IBM 39J5057.

Provides excellent discharge characteristics. Over 500-800 times of charge and discharge.

100% Compatible with original manufacturer equipments, guaranteed.

Includes inbuilt over-charge, over-current, over-voltage and short-circuit protection.

Utilizes state of the art printed circuit board (PCB) design to provide stable and safe performance.

Brand New, 30 Days Money Back, 1 Year Warranty, 100% Secure Shopping Guarantee!

Follow the notice below, Better using your IBM 39J5057 Laptop Battery
  • Storage - Store your IBM 39J5057 Laptop Battery in a clean, dry, cool place away from heat and metal objects. The IBM 39J5057 batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
  • Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage.
  • Exercise Your 39J5057 Battery - Do not leave your batteries 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.
  • Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.
  • Consider removing the 39J5057 battery from a laptop when running on fixed power.
  • Do not short-circuit. A short-circuit may cause severe damage to the battery.
  • Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your IBM 39J5057 battery is a lot less efficient when not within its standard operating temperature range.
  • Attention:
  • the capacity is low in current,CPU will be in electricity-saving model and battery can not be charged.In this case,take off the battery and fit on to rouse the CPU. The IBM 39J5057 battery can be charged then.
  • Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.
  • Recharge the battery as the circle more than once per month to make the management of capacity reach its best status, and prolong 39J5057 Laptop Battery useful life.
Payment Methods

Payment Methods

Q: How to check this battery is compatible with my laptop?
  • A: Please find out your old battery's part number or the exact model name of your laptop at first (like 'IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870'), then to match our product compatibility chart. Second please compare your old battery to our product images ensure their shape is same. Finally check the voltage(Rating) is same to your old battery's. More details please click How to find one correct battery for my laptop?
Q: Does your replacement IBM 39J5057 battery compatibles with my original IBM 39J5057 battery?
  • A: 100% OEM compatible, guaranteed to meet the specifications of your original IBM 39J5057 battery (ensue same size & high quality). And all our replacement IBM 39J5057 batteries have obtained international certification( CE, UL, ROHS, ISO9001/9002 ).
Q: How to charge a new battery for Asus Rog B551 for the first time use?
  • A: New IBM 39J5057 battery pack is normally shipped in its partially charged condition. Please cycle your new IBM 39J5057 battery pack by fully charge and discharge it for 3-5 times to allow it to reach its maximum rated capacity before use.

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