IBM THINKPAD X21 SERIES Battery

This IBM Ibm Thinkpad x21 Series Battery comes with of capacity.It's great for if you're on the travel or lay on grass of the park. Give you laptop external battery life and also you can relacement your original Battery. This IBM Ibm Thinkpad x21 Series Battery has passed strict quality assurance procedures such as CE, UL, and ISO9001/9002 certifications and they are all tested on the original machines, so this battery are 100% compatible with you IBM Ibm Thinkpad x21 Series Laptop, and we ensure this IBM Ibm Thinkpad x21 Series Battery is brand New & 1 year warranty. You should be avoid using up the battery power before charging the battery, because this will give the battery a lot of pressure and resulting in damage. A more feasible approach is to charge the battery when the battery remain about 20-30% of power. In fact, the notebook lithium battery in the number of "use up / charge" times is limited, all used up and then charge will greatly shorten the battery life. At the same time, the battery should be charged in a dry place, and you should also pay attention to the heart problem. Hot to store the IBM Ibm Thinkpad x21 Series battery, use up the battery power or full charged the battery ? Store the battery with full discharged will make the batteries lose activity, even lead to the control circuit protection self-locking and no longer available. Store the battery with full charged will bring the safety risks, the best preservation method is store it in a cool and dry place with about 40% power, about 20 temperature is the best store temperature, of course you had better use the battery once a month, this can guarantee the battery a good state of preservation, and will not let the battery power completely loss and damage to the battery. Simply run your unit until it’s FULLY discharged and then fully charge again. After extended periods of non-use, you should do the same. Lots of little charges followed by partial discharge will decrease the life, performance and capacity - in reality though, this is how laptops are usually used and this may be unavoidable more:http://www.laptopsbatteryshop.com.au/laptop-batteries/ibm-ibm-thinkpad-x21-series.html