My battery isn't responding

hello!
i've been having some weird problems with my battery this last few days... i accidentaly let it drain completely and now my laptop doesn't detect it. i've tried all the updates and reseting the PMU but nothing seems to work
do you think that there is any way of fixing this?

i only have one last question... can you explain to me why batteries die? i just want to make sure that it doesn't happen again
It could be a faulty battery in the first place. Could be a circuit board failure in the battery case. Batteries are not an exact science sometimes it just happens. I am going to post some info that may help you understand batteries and their care. Thanks for the .
It is OK to leave your battery hooked to the charger most of the time. The only time I unhook mine from the charger is when I calibrate. You should calibrate your battery once a month.
The following links have good information about the MacBook and the care of it's battery.
MacBook reduces processor speed when battery is removed while operating from an A/C adaptor
Apple portable computer's battery does not show a full charge in Mac OS X
I calibrate my battery every other month and have had no problems.
Look here and here for some good tips about battery care.
MacBook: How to remove or install the battery
Determining Battery Cycle Count
Use and cleaning of MagSafe power connector

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