Why does computer turn off when battery 40%?

Why does computer turn off when battery around 40%? I have tried replacing the battery.

Replacing as in "removed, re-installed", or "bought a new one"?
This is my display from "Apple menu > About This Mac > More Info > Power"
"Normal" means no issues.
I will stop now in case you have actually put in a *new* battery ...

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Interval Since Last Panic Report: 153655 sec
Panics Since Last Report:          5
Anonymous UUID:                    11544156-15FD-4DA4-B3C9-2EFAD4118B6F
Mon Jan 7 15:53:52 2013
panic(cpu 3 caller 0x5b9d85d7): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0x7eafa000 0x0a5480a2, D0, P3/4
Backtrace (CPU 3), Frame : Return Address (4 potential args on stack)
0x92483bd8 : 0x21b455 (0x5d09dc 0x92483c0c 0x2238b1 0x0)
0x92483c28 : 0x5b9d85d7 (0x5bbe500c 0x5bc53f80 0x5bbf22f4 0x0)
0x92483cc8 : 0x5baeb179 (0x8a6c804 0x7439004 0x100 0x0)
0x92483d18 : 0x5bae2cae (0x7439004 0x100 0x92483d48 0x5b9c8881)
0x92483d48 : 0x5c2123a0 (0x7439004 0x100 0x438004ee 0x0)
0x92483e88 : 0x5bb08f45 (0x7439004 0x7437004 0x0 0x0)
0x92483ec8 : 0x5b9e1836 (0x7439004 0x7437004 0x0 0x0)
0x92483f08 : 0x54985d (0x0 0x8a6a080 0x1 0x29d54e)
0x92483f58 : 0x54888e (0x8a6a080 0x7be725c 0x73b0044 0x73b001c)
0x92483f88 : 0x548ce8 (0x7be7240 0x7be7240 0x0 0x7fff)
0x92483fc8 : 0x29e6cc (0x7be7240 0x0 0x10 0x81607e4)
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         com.apple.nvidia.nv50hal(6.1.8)@0x5c0d8000->0x5c4f9fff
            dependency: com.apple.NVDAResman(6.1.8)@0x5b974000
         com.apple.NVDAResman(6.1.8)@0x5b974000->0x5bc55fff
            dependency: com.apple.iokit.IOPCIFamily(2.6)@0x53476000
            dependency: com.apple.iokit.IONDRVSupport(2.2)@0x5abca000
            dependency: com.apple.iokit.IOGraphicsFamily(2.2)@0x5ac2f000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10F2108
Kernel version:
Darwin Kernel Version 10.4.1: Fri Jul 16 23:04:20 PDT 2010; root:xnu-1504.7.51~1/RELEASE_I386
System model name: MacBookPro6,2 (Mac-F22586C8)
System uptime in nanoseconds: 15148038544690
unloaded kexts:
com.apple.filesystems.msdosfs          1.6.2 (addr 0x5aab3000, size 0x53248) - last unloaded 10619568223259
loaded kexts:
com.apple.filesystems.msdosfs          1.6.2 - last loaded 15105074103948
com.apple.driver.StorageLynx          2.5.4
com.apple.driver.Oxford_Semi          2.5.4
com.apple.driver.LSI_FW_500          2.5.4
com.apple.driver.IOFireWireSerialBusProtocolSansPhysicalUnit          2.5.4
com.apple.driver.initioFWBridge          2.5.4
com.apple.driver.AppleHWSensor          1.9.3d0
com.apple.filesystems.autofs          2.1.0
com.apple.driver.AGPM          100.12.12
com.apple.driver.AudioAUUC          1.9
com.apple.driver.AppleMikeyHIDDriver          1.2.0
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleUpstreamUserClient          3.4.0
com.apple.driver.AppleMikeyDriver          1.9.3f5
com.apple.driver.AppleIntelHDGraphics          6.1.8
com.apple.driver.AppleHDA          1.9.3f5
com.apple.driver.AudioIPCDriver          1.1.5
com.apple.driver.AppleMCCSControl          1.0.17
com.apple.driver.AppleIntelHDGraphicsFB          6.1.8
com.apple.driver.SMCMotionSensor          3.0.0d4
com.apple.iokit.AppleBCM5701Ethernet          2.3.9b3
com.apple.kext.AppleSMCLMU          1.5.0d3
com.apple.driver.AppleGraphicsControl          2.8.68
com.apple.GeForce          6.1.8
com.apple.driver.AirPortBrcm43224          425.16.2
com.apple.driver.ACPI_SMC_PlatformPlugin          4.3.0d3
com.apple.driver.AppleLPC          1.4.12
com.apple.driver.AppleUSBTCButtons          1.8.1b1
com.apple.driver.AppleUSBCardReader          2.5.4
com.apple.driver.AppleUSBTCKeyboard          1.8.1b1
com.apple.driver.AppleIRController          303.8
com.apple.iokit.SCSITaskUserClient          2.6.5
com.apple.BootCache          31
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.iokit.IOAHCIBlockStorage          1.6.2
com.apple.driver.AppleUSBHub          4.0.0
com.apple.driver.AppleFWOHCI          4.7.1
com.apple.driver.AppleSmartBatteryManager          160.0.0
com.apple.driver.AppleEFINVRAM          1.3.0
com.apple.driver.AppleUSBEHCI          4.0.2
com.apple.driver.AppleUSBUHCI          4.0.2
com.apple.driver.AppleAHCIPort          2.1.2
com.apple.driver.AppleACPIButtons          1.3.3
com.apple.driver.AppleRTC          1.3.1
com.apple.driver.AppleHPET          1.5
com.apple.driver.AppleSMBIOS          1.6
com.apple.driver.AppleACPIEC          1.3.3
com.apple.driver.AppleAPIC          1.4
com.apple.driver.AppleIntelCPUPowerManagementClient          105.11.0
com.apple.security.sandbox          0
com.apple.security.quarantine          0
com.apple.nke.applicationfirewall          2.1.11
com.apple.driver.AppleIntelCPUPowerManagement          105.11.0
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.0.1
com.apple.iokit.IOFireWireSBP2          4.0.6
com.apple.driver.AppleProfileReadCounterAction          17
com.apple.driver.AppleProfileTimestampAction          10
com.apple.driver.AppleProfileThreadInfoAction          14
com.apple.driver.AppleProfileRegisterStateAction          10
com.apple.driver.AppleProfileKEventAction          10
com.apple.driver.AppleProfileCallstackAction          20
com.apple.iokit.IOSurface          74.0
com.apple.iokit.IOBluetoothSerialManager          2.3.7f1
com.apple.iokit.IOSerialFamily          10.0.3
com.apple.driver.DspFuncLib          1.9.3f5
com.apple.iokit.IOAudioFamily          1.7.6fc2
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleSMBusController          1.0.8d0
com.apple.iokit.IOFireWireIP          2.0.3
com.apple.iokit.AppleProfileFamily          41
com.apple.driver.AppleHDAController          1.9.3f5
com.apple.iokit.IOHDAFamily          1.9.3f5
com.apple.iokit.IO80211Family          311.1
com.apple.iokit.IONetworkingFamily          1.9
com.apple.driver.AppleSMC          3.0.1d2
com.apple.driver.IOPlatformPluginFamily          4.3.0d3
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com.apple.nvidia.nv50hal          6.1.8
com.apple.NVDAResman          6.1.8
com.apple.iokit.IONDRVSupport          2.2
com.apple.iokit.IOGraphicsFamily          2.2
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com.apple.iokit.IOUSBMassStorageClass          2.6.1
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com.apple.driver.AppleUSBMultitouch          205.32
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Mac OS X (10.6.4)
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This question was solved.
View Solution.

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Why does computer turn off when battery 40%?

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