Unless you are continuing to use it the battery will have lost its charge and will be wrecked.
In any case, the expected lifetime of the battery is only 3-5 years, so if you haven't replaced it yet you are on thin ice.
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APC but i will change the batteries next year.
I have it for 1 and a half already
$5 walmart special. I figure if lightning strikes my house it doens't matter if i have a 5 dollar pos or a 500 dollar beast.