Seven tips to Prolong your GATEWAY 4540GZ laptop battery life 1. Please recharge when power left less than 5%. Don't wait run out and then recharge. 2. Try Li-ion GATEWAY 4540GZ battery for your laptop. It can work long time than Non Li-Ion one. 3. Keep your laptop defragmentation regularly to prolong the laptop battery life. 4. Use some hard drive and optical drive spin-down software to reduce the power consumpition of laptop. 5. When long time without using laptop, Keep it in standby or sleep mode. It can both save the power and extend the GATEWAY 4540GZ notebook battery life. 6. Store your battery in a cool and dry place when don't use. 7. If you usually keep your laptop plugged in fixed power or rarely use it. Please take down your battery. If not, it will hurt the battery life.