Battery health?

I am becoming more and more concerned about my laptop's battery each and every passing day. When I check the bottom right of my computer screen to check if my computer battery is completely charged, it says "0% available (plugged in, not charging)". I have had to buy two new batteries because of...

Hello there, I have an one year-old ASUS K53S Laptop, Windows 7 Home Premium 64bits, 6GB Ram and 500HDD. At the beginning, my battery lasted >3 hours in Balanced power mode (which is the one I alway use) and now due to regular use it last about 2 hours. Everything normal until here. About...

Hello there! I have an ASUS K50IE laptop that i had for 2 years now. been working fine until 2 days ago. this problem has been bugging me for the last 2 days. here's why. my laptop suddenly didn't detect my battery. thought it was because my battery was dead. I searched the net on things...

my battery was giving 1.5 hour power backup from last 4 months... then last month it decreased to 1 hour...from couple of days it decreased to 1/5 hour(with error 'Consider replacing new battery') and yesterday i was using on battery power... and battery had 34% power remaining.. suddenly battery...

I was wondering if it is better to keep your laptop always plugged in, or to plug it in only when the battery is dead/almost dead. Would your battery last longer if you pugged it in only when necessary or constantly? Thanks