thearabianshark

updated

13 years ago

0

10705

March 31st, 2013 22:00

About Battery

My battery provides 100% when it plugged after charging, but when I unplug it, it immediately provides 92%. Could I know the reason please!

  • Dell-Rajesh R

    6 Operator

    3318 Posts

    261

    1

    Posted April 1st, 2013 03:00

    Hi thearabianshark,

    There are several things you can do to make your battery last longer:

    • Choose the right battery. Under the same use conditions, a lower capacity battery will wear out faster than a higher capacity battery because it has to be charged more often.
    • Use the notebook's power saving controls to reduce battery use in your normal day. For example, turn the Bluetooth off if it is not needed; reduce the screen brightness when conditions permit.
    • Avoid exposure to extreme temperatures. If the system is exposed to extreme cold or hot temperatures, allow it to warm up/cool down before use and before charging.
    • Contrary to last decades' batteries, modern lithium ion batteries do not need to be fully discharged to maintain health.
    • All batteries wear with use and time. When you find the runtime is no longer satisfactory, it may be time to purchase a new Dell battery.
    • The battery charges in the laptop when the laptop is connected to an AC power source via the AC adapter. The charge time varies depending on the system. If the system supports ExpressCharge. The battery typically will have greater than 80% charge after about an hour of charging, and fully charge in about 2 hours with the system off.
    • Once the battery is fully charged, ensure to stop charging the battery.

    Awaiting your response!

  • kirkd

    6 Operator

    5241 Posts

    261

    1

    Posted April 1st, 2013 07:00

    How old is the battery and how much do you do on battery power?

    Sometimes the circuity in the battery gets confused. IT can help if you use it down to about 15% of capacity and recharge it to recalibrate.

    You do not have to remove your battery. This is another urban legend. It will not age any faster whether  plugged in or not. My 5 year old battery (M1530 is still has about 60% of the maximum capacity (note, it only had about 85% when new.

    Taking it out and replacing it when you go mobile is rediculous! Battery life is controlled by the number of discharge/charge cycles and the depth of discharge. Too many deep discharges is not good. Ideally, keep the discharge level to no lower than 35%. To maintain long life, electric car manufacturers allow discharge levels of not less than 35-50%.

  • Dell-Rajesh R

    6 Operator

    3318 Posts

    261

    0

    Posted April 1st, 2013 00:00

    Hi thearabianshark,

    Batteries tend to deteriorate over time. Keeping battery in the laptop and plugged to the power outlet at all times would actually causes damage to the battery and causes it to be more energy inefficient, not storing energy.

    For more information regarding battery FAQ’s refer below link.

    http://dell.to/PFKWVl

    Awaiting your response!

  • 261

    0

    Posted April 1st, 2013 03:00

    Thank you for answering me, In fact I use my laptop  much of time at home, so do you advise me to take the battery off the laptop when I use it at home?