Longest Life Ibm Thinkpad 390 Series Laptop Batteries Tips
1.Turn off Wi-Fi and BlueTooth - Most laptops have shortcut keys to instantly disable wireless networking.
2.Avoid playing compute games or DVD movies as those activities drain laptop battereis.
3.Disconnect all external device such as PC Card modems,Firewire, USB devices and optical drives and use the laptop touchpad instead of an external mouse.
4.Dimming your screen brightness as it saves battery power.
5.Choose a laptop power scheme that automatically turns off the laptop monitor and hard disk after 10 minutes of inactivity.
6.Make sure to plug your ibm thinkpad 390 series laptop charger adapter into a UPS and not directly into a power outlet or surge protector.
6.Play down your laptop speaker volume,turn off all scheduled tasks.
7.Turn off Auto-save features in Microsoft Office and other applications.
8.If your PC has a built-in wireless card, turn it off or disable it when not in use.
9.Programs that are run from a CD or DVD can be copied to and run from the hard drive, which typically consumes less power than an optical drive.
10.If you do not use your laptop for extended periods of time (a week or more), remove the ibm thinkpad 390 series battery pack from the laptop.
11.Do not expose the battery to high heat or freezing temperatures. Do not leave your battery in your car in the summer. Hot batteries discharge very quickly, and cold ones can't create as much power.
12.Fully charge new ibm thinkpad 390 series battery packs before use. New pack needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity.
13.For laptops that work as Desktop Replacement, the battery should be re-installed every 3-4 weeks and allowed to fully discharge.
14.Leaving a ibm thinkpad 390 series laptop battery replacement in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.