battery care and use instructions
Your new battery comes in a discharged condition and must be charged before use. Upon initial use (or after prolonged storage period) the IBM ThinkPad T40 battery may require two to three charge/discharge cycles before achieving maximum capacity.If the battery is not going to be used for more than a month, it is recommended that it be removed from the device and stored in a cool, dry, clean place.It is normal for a battery to become warm during charging and discharging.A charged battery will eventually lose its charge if unused. It may therefore be necessary to recharge the hp battery after a storage period.
Battery don'ts
Do not short-circuit a IBM ThinkPad T40 battery. A short-circuit may cause damage to the battery.Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.Do not expose the battery to moisture or rain.Keep battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of batteries to extreme heat may result in an explosion.
How can i maximize battery performance?
Breaking In New Batteries - new 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 Batteries Clean - it's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery for your laptop.
Exercise Your Battery - Do not leave your IBM ThinkPad T40 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 pack break in procedure described above.
Battery Storage - If you do not plan on using the battery for a month or more, we recommend storing in a clean, dry, cool place away from heat and metal objects.
How are batteries rated?
There are two ratings on every battery : Volts and Milliamp-hour (mAh). The voltage of the new battery should always match the voltage of your original. Some of our batteries will have higher amp-hour ratings that the original battery found in your device. This is indicative of a longer run-time (high capacity) and will not cause any incompatibilities. Remember: in some cases, the voltage will differ from the original battery. This often happens when both a Li-Ion hp battery and a Ni-Mh battery for ThinkPad T40 are available for the laptop.
How long should my IBM ThinkPad T40 battery last?
The life of a battery operating under normal conditions is generally between 500 to 800 charge-discharge cycles. This translates into one and a half to three years of battery life for the average user. As your rechargeable battery begins to die, you will notice a decline in the run time of the battery. When your two-hour IBM ThinkPad T40 battery is only supplying you with an hour's worth of use, it's time for a new battery.
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