For 1/3 of the price of an Apple-branded replacement battery, substantially as I have a powerful battery (for the moment) that displays a full load capacity of 4844 mAh. Capacity varies a little from one day to another, when I received it, I made a complete cycle of charging and discharging and then I came to a little more than 5000 mAh. Since, as I work with an additional screen, the MacBook closed, I have to let the permanently connected supply. It may be that the reason for these fluctuations ...
I just unplug the power cable and the system tells me with open Mail and Safari on OS X 10.9.4, a battery life of 3:12.
Finally, the battery is fully recognized by the system indicating such as the manufacturer's name is DP and the name of the battery is ASMB013