1. Please recharge or change your laptop battery when battery power
low.2. Using Li-Ion ACER TravelMate 8572T share battery for
your notebook which can work longer time than Non Li-Lon one. 3. It
is better to defragmentation regularly for your notebook battery life. 4.
In order to reduce the laptop power consumpition, you can use some optical
drive spin-down and hard drive in your laptop.5. Please keep your
laptop in sleep or standby model without long time using, which both save the
ACER TravelMate 8572T battery power and extend battery using life.