Santa Rosa Macbook Pro. About two years old, now battery health is down to 18% after 150 cycles. Lasts for about 25 minutes when not on A/C power, sometiems shuts down when around 60% capacity remains, according to OS X. I've got Applecare, but the Apple retailer I visited won't replace the battery under warranty, because they only give a 1 year warranty on batteries as they are "consumable." No battery should fade this fast. Could I be able to get it replaced under warranty for being obviously faulty?