Selecting the correct LENOVO Thinkpad R400 Series Battery

Laptop Battery have two main ratings on them: Volts and Amps. Because Laptop Battery do not carry a very large amount of power when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Milliamps. One thousand Milliamperes equals 1 Ampere. When buying a LENOVO Thinkpad R400 Series Laptop Battery, always go for the battery with the most Milliamperes (or mAh).

Once you have selected you Brand and Model from the Search Wizard it will display the compatible batteries under the product column. Once you have clicked on the battery you will be redirected to the page displaying alllt he informationa about the battery. Ensure the battery is the same shape as your original and most importantly the Voltage is within 10% of you original LENOVO Thinkpad R400 Series battery specified Voltage.

How to charge your new LENOVO Thinkpad R400 Series battery ?

After produced from factory , new LENOVO Thinkpad R400 Series batteries are shipped in a discharged condition or with very low capacity and must charged before use. People generally recommend an overnight charge (approximately twelve hours). Refer to the user's manual for charging instructions. Rechargeable new LENOVO Thinkpad R400 Series batteries should be cycled (fully charged and then fully discharged) three to five times initially to allow them to reach their full capacity. That meas make sure to fully charge then run out the power(fully discharge) before recharge it again . The best way for charging a new LENOVO Thinkpad R400 Series battery is put it into the machine then charge it , this can make it really fully charge . (note:it is normal for a LENOVO Thinkpad R400 Series battery to become warm to the touch during charging and discharging).

How can I maximize LENOVO Thinkpad R400 Series battery performance?

There are several steps you can take to insure that you get maximum performance from your LENOVO Thinkpad R400 Series battery:

Breaking In New LENOVO Thinkpad R400 Series Batteries - new LENOVO Thinkpad R400 Series batteries come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new LENOVO Thinkpad R400 Series battery two to four times to allow it to reach its maximum rated capacity.

Preventing the Memory Effect to LENOVO Thinkpad R400 Series battery - Keep your LENOVO Thinkpad R400 Series 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.

Keep Your LENOVO Thinkpad R400 Series Batteries Clean - It's a good idea to clean dirty LENOVO Thinkpad R400 Series battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the LENOVO Thinkpad R400 Series battery and your portable device.

Exercise Your LENOVO Thinkpad R400 Series Battery - Do not leave your LENOVO Thinkpad R400 Series battery dormant for long periods of time. We recommend using the LENOVO Thinkpad R400 Series 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.

Battery Storage - If you don't plan on using the LENOVO Thinkpad R400 Series battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-Ion batteries will self-discharge during storage; remember to break them in before use.

For Laptop Users - To get maximum performance from your LENOVO Thinkpad R400 Series battery, fully optimize the laptop'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 LENOVO Thinkpad R400 Series 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.