With a strong desire of most battery users to extend the lifespan of this ultraportable charger IBM/Lenovo Thinkpad 65W 92P1255 (20V, 3.25A), they must know how to ensure a good beginning. A new battery of this kind, generally speaking, carries 3% electric quantity before being put into the laptop computer which is started for the first time, at which time there is no need to use an external electric source but to use up the rest of the electricity inside the battery until the machine completely shuts down, and then commence applying an external electric source to charging the battery. Please make sure that only when the electricity of the battery is fully used up can it be charged, and that its charging time must be for fourteen hours. Uses must repeatedly do so for three times, so as to completely activate the battery, which will lay a good foundation of its subsequent application.
The lifespan of this ultraportable charger IBM/Lenovo Thinkpad 65W 92P1255 (20V, 3.25A) used by the laptop computer is mainly determined by its charging and discharging times. And please do not use the battery under unnecessary circumstances. In case the battery is not used for a long time, it should be charged with 50% electricity before its being put in a cool place for storage; if the battery is ready to be used, then the remain of its electricity must be used up prior to its being recharged. Remember not to plug your laptop computer into the alternating electric current before the battery is used up. When the electric quantity of the battery is fully charged, the input of the alternating electric current must be cut off, because overcharge will cause the battery to become so hot as to shorten its service life.