Laptop battery life is not determined by whole duration of usage but by times of charging and discharging. If you never take off the battery from laptop, the battery will not be in full capacity as you have thought when you shut down computer and disconnect AC adapter. Laptop battery is installed with steering circuit, so battery drains out even the laptop is not in working. Batteries begin to charge when connected to AC Adapter. Every time you connect or disconnect from power, laptop battery begins to charge and discharge. Laptop battery life will be much affected.
The laptop battery life will decrease and even battery damaged after long time working. Following tips will help you increase your laptop battery life – no matter you get lithium battery or nickel-metal hydride battery in your laptop, only charge it after maximal usage, that is to say when the battery capacity is below 5%. It is the best way to avoid memory effect, which deed exists in lithium battery though less serious than nickel-metal hydride battery. In addition, please pay attention to time of charging, which shouldn’t be too long and should be within 12 hours.
1. New battery for first time of working
2. Battery in storage for a while restarts working
3. Battery taken off laptop and in storage for long time, say over 2-3 months returns to working
Ways to refresh battery
To revitalizing chemical material in battery to prolong laptop battery life, you need to fully charge and discharge battery for 3 times. That means when laptop battery capacity is below 3% after normal working, immediately shut down your laptop and charge the battery for 12 hours.
Please pay attention to “immediateness”! If you don’t charge it immediately when it is below 3% capacity, battery begins to self discharge, which will lead to over discharging and will be damageable to a battery. Over-discharging is forbidden for lithium battery.
Laptop should be shut down when refreshing battery because if it is in stand-by or sleep, the battery will stop charging after 3-4 hours as the green power signal stops flickering. Laptop goes to sleep when battery capacity is below 3%, but you can still shut it down by restarting.
If you follow the steps strictly and your battery is in good quality, you can ultimately revitalize the chemical martial in the battery and increase your laptop battery life.
However, any one thing has its life, when the end of a battery’s life, you have to replace a new battery for your laptop, in order to better protect your computer.If you need a new charger, you can refer to this: http://www.highding.com/8-laptop-batteries