my macbook pro not charging

Battery Information:

Model Information:
Serial Number: 9G0*******3MA
Manufacturer: DP
Device Name: bq20z451
Pack Lot Code: 0000
PCB Lot Code: 0000
Firmware Version: 0201
Hardware Revision: 0002
Cell Revision: 0158
Charge Information:
Charge Remaining (mAh): 522
Fully Charged: No
Charging: No
Full Charge Capacity (mAh): 4865
Health Information:
Cycle Count: 819
Condition: Normal
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 11106

System Power Settings:

AC Power:
System Sleep Timer (Minutes): 3
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 3
Wake on AC Change: No
Wake on Clamshell Open: Yes
Wake on LAN: Yes
Current Power Source: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 1
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Wake on AC Change: No
Wake on Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes

<Edited By Host>