Does anyone know where I can find a replacement battery for an alienware 14 laptop?

Dell tech support told me Dell does not carry this battery and I should check ztronics.com. Well they dont have it either. I've dont some googling and haven't had any luck. This computer is only a year and a half old, there's got to be batteries out there. Any ideas?

The specs in the reference manual are:

System info shows this:

Thanks