Battery, How do i find the battery charging status, When is my computer using ac power – Sony VGN-TZ290 User Manual
Page 186: When should i recharge the battery pack, When should i replace the battery pack
Troubleshooting
Battery
How do I find the battery charging status?
See Charging the Battery Pack
.
When is my computer using AC power?
When your computer is directly connected to the AC adapter, it uses AC power, even if the battery pack is installed.
When should I recharge the battery pack?
❑ When the battery level falls below 10%.
❑ When both the battery and power indicators blink.
❑ When you have not used the battery pack for a long period of time.
When should I replace the battery pack?
If the battery power is still low after charging it, the battery pack may be reaching the end of its life and should be replaced.
Should I be concerned that the installed battery pack is warm?
No, it is normal for the battery pack to be warm when it is powering your computer.