Battery stays at zero when charging.

I have had my Macbook Pro since September 2011. Lately I have been having issues with the battery. My problem is that when I have my macbook plugged in it says zero percent, and tells me to service battery. When it is unplugged it bounces all over the place from 80%-20% then back up to 91%. Can someone please tell me whether this is fixable without taking it to a store to get fixed?

This is the information of my battery:

Battery Information:

Model Information:

Serial Number:

w

Manufacturer: ?˚

Device Name: by20ˇ4øπ

Pack Lot Code: 000000000000000000000000000000000000000000

PCB Lot Code: 0

Firmware Version: 0

Hardware Revision: 0

Cell Revision: 0

Charge Information:

Charge Remaining (mAh): 0

Fully Charged: Yes

Charging: No

Full Charge Capacity (mAh): 0

Health Information:

Cycle Count: 0

Condition: Normal

Battery Installed: Yes

Amperage (mA): 0

Voltage (mV): 0