Question about Motorola Mobility RAZR V3i Cellular Phone

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Battery i utilise the battery for 221 hr but now even after full charge it discharge after 20 minutes of phone call? shall i change the battery ...

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Before you change the battery:

  1. Charge the battery fully
  2. Discharge the battery fully
  3. Repeat steps 1 and 2
If the battery does not reset itself and start lasting longer then you do need to replace it.

Posted on Jun 26, 2008

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100% - 30% even if i dont start the bike and just turn the key with a full charge all gauges etc work perfect 10 - 20 seconds i turn key off and same thing battery 100% - 33%??????????????


The battery should be removed from the bike and charged and tested for voltage, specific gravity if possible and current discharge.

The details you gave suggest a faulty cell. Even a modest-sized battery stores sufficient current to destroy itself and generate quite a lot of smoke if it really lost 70% of a full charge charge in 20 seconds.

Oct 22, 2016 | Motorcycles

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How to charge your laptop battery properly? During the the process of notebook...


How to charge your laptop battery properly? solarroll-laptop-solar-charger.jpg During the the process of notebook using, we need no to deliberately charge the laptop battery to 100% state or fully discharged laptop battery to automatic shutdown protecting. The correct way is that charge the battery in 20% state and stop charging in 98% . If the machine has the power calibration procedure, when the battery standard-by time significantly reduced. Then calibrate the battery in time to active the protection circuit performance.
For early notebook batteries (Ni-MH Ni-MH or Ni-Cd Ni-Cd), really need to fully charge and discharge in order to maintain good battery capacity. But for the lithium battery is not necessary even it may damage the battery.
In fact the lithium batteries has a little memory effect. The lithium battery materials is very sensitive to the conditions as temperature, the use of frequency and so on. The battery will be aging after used for some period time (standby time reduced). The natural wear and tear is an important reason, and inadequate maintenance is another important reason.
A well-designed lithium batteries have a very good protection circuit to prevent excessive charge and discharge.As over-charging and discharging of the Sony VGP-BPS8 battery will be the rapid reduction activity. Under the protection of protection circuit, the user fully charge and discharge the battery several times, in fact, impossible to achieve had "full" level.
Sometimes WINDOWS show that battery capacity is 20% or more, you can use 30 minutes. But after used 10 minutes or less the machine suddenly automatically shut down. The reason is that the battery has been aging, the battery protection circuit can not monitors the battery real capacity. In the normal battery depletion, the protection circuit original parameters have been unable to properly reflect the actual situation of the battery
So power calibration procedure is to correct the benchmark protection circuit parameters to accurately reflect the actual capacity . This correction process will often take two or three complete charge and discharge. As previously mentioned, fully charge and discharge will reduce the battery activity. It is not frequently used, usually once a month.

on Jan 18, 2010 | Computers & Internet

1 Answer

883 full battery dies in sec after key is turned not even started. she will start but then looses a full charge in 20 sec????????


Even a modest vehicle battery cannot lose a full charge in 20 seconds. That rate of discharge would seriously overheat the internal connections of the battery and render it useless as well as causing lots of smoke and heating of whatever was causing the dead short.
Clearly the battery does not have a full charge or if it does there is a fault.

The battery clearly needs charging and testing off the car to determine the state of health. I speculate it has a faulty cell.

Oct 22, 2016 | Cars & Trucks

2 Answers

Nokia 1100 shows battery empty while calling even if it is full charged


This is your battery problem. Just do the step below hope it will solve a bit. get fully discharge and let automatically switched off. then connect to charging but do not switched it on after showing full charge, disconnect charging and switched your phone on. initially do dis 4-5 time a week. After that do 1-2 a week. This will increase your battery strength.......

if not then change your battery.

Apr 21, 2011 | Nokia Cell Phones

1 Answer

When i boot up, my Compaq CQ20 displays the message that the battery has low storage capacity. Battery time is now down to 15 to 20 minutes at full charge.


If you laptop is more than two years old then it is possible that the battery is faulty as many of the compaq laptops have poor back up battery orr quality retained.
Check the adapter on the PC , check if the adapter charges the battery to full capcity , now if this charge wont lat more than 20 minutes , you might need a new one.
Discharge the battery fully and charge few times as the last resort.

Feb 23, 2011 | Compaq Computers & Internet

1 Answer

My IBM Thinkpad T22's battery doesnt last. can i fix that?


Basically you need a new battery. Recharageable batteries have a finite number of charge and discharge cycles and they lose their full charge capacity as the get older. The batteries will have less capacity over time ie less available battery time, and when it is worn out, it won't charge at all.

May 15, 2009 | IBM ThinkPad T22 2647 Notebook

2 Answers

Can't get any power running on my 5500 hr life cycle


Change the battery. It is a 9v battery behind the small door on the back of the display panel.

Mar 15, 2009 | Life Fitness 9500RHRT Recumbent Bike

1 Answer

3month old battery does not charge full even after ten /more hrs.


i could charge to full by usv port in 16 hrs. now i do not let discharge more than 20% or chage every 10hrs.
ravi shanker malviya

Jan 18, 2009 | Sony Ericsson P990i Cellular Phone

1 Answer

Motorla Slvr L7 Won't hold charge


nokia mobile phones has maximum charge holding capability.motorola phones consumes more charge if we use mp3 player in it.are you a continuous user of mp3 player then try to decrease it

Jan 15, 2009 | Motorola Mobility SLVR L7 Cellular Phone

1 Answer

Battery Get Discharged within few Minutes even after Full Charge


I have the same problem, and for now an external charger is the best solution. Also try resetting 4 times. I also got a new power supply, but problem persist. Good luck!!!
jav

Nov 19, 2008 | Kaito KA1103 SW/FM/AM Radio

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