my mac's battery backup is of 8+ hrs and it is a 2012 model, it depends what I do on it, sometimes I get a 12+ hr backup. I don't think there is any other lapto

my mac's battery backup is of 8+ hrs and it is a 2012 model, it depends what I do on it, sometimes I get a 12+ hr backup. I don't think there is any other laptop which is as slim and has such a nice battery backup