IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870 - Battery 74Y9340 3.9Ah/14.4Wh

Product Feature:

Professional manufacturer,one year warranty,CE ROHS MSDS Certificates, 100% brand new IBM 74Y9340 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 74Y9340.

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 74Y9340 Laptop Battery

• Storage - Store your IBM 74Y9340 Laptop Battery in a clean, dry, cool place away from heat and metal objects. The IBM 74Y9340 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 74Y9340 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 IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870 battery replacement 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 2780 39J5555 5580 5708 5780 74Y6773 74Y6870 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 74Y9340 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 IBM 2780 39J5555 5580 5708 5780 74Y6773 74Y6870 battery replacement useful life.