A fully charged battery is being drained despite the computer is not turned on.
Answer:
Due to the following factors, the Li-ion battery power of the computer will always drain.

The proper running of Real-Time Clock (RTC) and CMOS consumes internal battery power.
Once the battery is inserted, the computer will not use the internal battery to run Real-Time Clock (RTC).
  
The power switch of the computer models after PC97 (※) is a soft switch.
The switch does not control the turn-on or turn-off of circuit directly, but sends turn on or off power signals to the controller of power manager to perform the operation.
When the computer is connected with the battery or power adapter, the controller managing power is usually in galvanical state which consumes power.

※  PC97 --- Microsoft recommend users to use the hardware specifications which can guarantee the proper running of Windows 95、Windows NT or more advanced Operating System.
  
Using microprocessor to send signals also consumes power.
VAIO battery is equipped with the microprocessor to check the battery state (the surplus capacity of battery, the current value when the battery is charged or discharged, the temperature of battery and so on).


As mentioned above, besides discharging automatically, the battery power is still drained no matter whether it is inserted in the computer or removed.
Therefore, the battery power is consumed even if the VAIO computer has been turned off.



   * Both the microprocessor of battery and the Power Management Controller are running on power though the required amount of power is small.
     For Li-ion batteries of video cameras or computers of other brands, the same amount of power will be drained when used in the same way.

   * For different models of VAIO notebook, the power consumption remains the same, disregarding the status of the computers. For different models of VAIO notebook in the same status, the discharged power quantity is basically the same in a specific period.
     Therefore, compared to computers with larger capacity batteries, computers with small capacity batteries may run for a shorter period of time.

     ※  Besides the capacity of battery, other factors such as the aging degree or temperature will influence the time of totally discharging.

Please refer to the following example for comparison of computers with larger capacity batteries and computers with small capacity and the running time.

Suppose there are two computers with different types of batteries as follows.

   * Computer A: battery with 11.1V output voltage/4300mAh capacity
   * Computer B: battery with 11.1V output voltage/2000mAh capacity

Suppose the consumed quantity of power is 200mAH per day, what is surplus capacity of battery 10 days later?

   * Computer A ：4300 - 200 x 10 = 2300 (mAh) about 53%
   * Computer B ：2000 - 200 x 10 = 0 (mAh) 0%

Thus, computer B with small capacity of power finishes discharging first.
Source: http://www.sony-asia.com/support/faq/270695
More information, proceed here: http://batteryuniversity.com/

VAIO Z

Previous Gen:
1. shinjin - VPCZ115GG/B
2. Bugeca - VPCZ115GG/B
3. verticalforce - VPCZ115GG/B
4. nck2205 - VPCZ116GG/B
5. strioch - VPCZ128GG/XQ
6. Effaw995 - VPCZ126GG/B

Previous Gen:
1. speedfamgirl - Z36GD/B
2. Arapan - Z36GD/J
3. hangy2k - Z27GD
4. Miyabi - Z12GN
5. adrian7386- Z56GG

1. PopYourHead - SVS13116FG
-------------------
New Gen: SB series:
1. lonewolfchua - SB16FG
2. zze121 - SB16FG
3. hijau1203 -SB18GG
4. hiroki8704 - SB26FG
5. the golden sukuk - SB16FG

Previous Gen:
1. kimwee85- VPCS117GG/B
2. kazama82 - VPCS117GG/B
3. alwinnng - SR12G

1. dannygeni - DUO 11

1. webwithoutwires - VPCX125LG
2. little ice - VPCX127LG
3. hiroki8704

1. WhiteWing - VPCY115FG/S
2. Bugeca - VPCY115FG/S

1. tpl - P15G
2. edvpc - P25
3. jtdc - P25G

1. Liquid_Snake02 - SVE14A15FG
-------------------
1. drmdarif81 - EA16FG
2. Twinchest - VPEA15FG
3. kae7 - EA16FG
4. Sieg15 - EA16FG
5. Frostlord - EA36
5. sayming - EA336
6. MoonLite-DreamZ - EB42FX

1. mrashdi - VPCF135FG

1. Strawberry<3 - VPCCA35FG

VAIO CW
1. jasmine_09 - CW16FG
2. quest_5692 - CW26FG
3. kaoru - CW26FG

Wow... The list of the users of respective model has been clean up a bit huh?

Previously the FW users were like a bunch...

Thanks miyabi for the hard work initiating this new thread- V2.5!

VAIO Users

VAIO Z
VAIO TT
VAIO CW
VAIO CS
VAIO SR
VAIO P
VAIO FW
VAIO NS

VAIO NW
VAIO LM
VAIO TP
VAIO SZ
VAIO CR
VAIO LJ
VAIO AR
VAIO C
VAIO Band dvd diff?


*Please PM or leave message in this thread to have your name in the list. State your model as well.

No, it's still 11 user same as previous version.

@Miyabi has very wide knowledge about VAIO and a VAIO user himself and also he is a regular. Posting in the previous thread regularly. 226 total post full of information and willingness to help other VAIO user hence i hand over the job as thread starter to him.
i apologize to everyone because i rarely update the thread. I feel guilty that is why i think i should stop being the thread starter.

Thanks to all of you and @ Miyabi. Have fun.

Dun be so humble.

Both of u did a great job solving all VAIO enthusiasts here.

Keep them up!

I have a question, dunno if it's related.
I wanna make my FW more cooler, any way to do that?
Using a cooler fan isn't help anything...

I saw some cooler gel pad, are those helping? As it's cool conductance & dissipate heat from the lappie base. But I believe it'll block the air vent at the base... Will this works?

Dun like my armrest getting warm (while in room temp without a/c).

i would still suggest to use flat surface, e.g table wood/glass to ensure the air flow is good under the notebook.
another way to cool down the notebook, is by undervolt the processor: http://forum.notebookreview.com/hardware-c...ting-guide.html
guide provide by flipfire

Is this thing Windows7 supported?

U tried this out yet?

Anyone have any idea when will E series be available in our market?