MacBook brand new battery "needs service"

I just got a brand new battery for my MacBook and it is not holding a charge, says it needs servicing, and also says that it is not charging. The battery must have been able to charge some because ealier today it was at 43%, and now it is at 76%. I don't know why I am having this problem!

 

here is my hardware info:

 

Hardware Overview:

 

  Model Name:          MacBook

  Model Identifier:          MacBook2,1

  Processor Name:          Intel Core 2 Duo

  Processor Speed:          2.16 GHz

  Number Of Processors:          1

  Total Number Of Cores:          2

  L2 Cache:          4 MB

  Memory:          1 GB

  Bus Speed:          667 MHz

  Boot ROM Version:          MB21.00A5.B07

  SMC Version (system):          1.17f0

  Serial Number (system):          W87313QWYA3

  Hardware UUID:          00000000-0000-1000-8000-0017F206D8FF

  Sudden Motion Sensor:

  State:          Enabled

 

and here is the battery information:

 

Battery Information:

 

  Model Information:

  Manufacturer:          ML

  Device name:          ASMB013

  Pack Lot Code:          0001

  PCB Lot Code:          0012

  Firmware Version:          0011

  Hardware Revision:          002f

  Cell Revision:          bb18

  Charge Information:

  Charge remaining (mAh):          2977

  Fully charged:          No

  Charging:          No

  Full charge capacity (mAh):          3968

  Health Information:

  Cycle count:          2

  Condition:          Check Battery

  Battery Installed:          Yes

  Amperage (mA):          -1177

  Voltage (mV):          11757

 

Please help!

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