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PostPosted: Thu Jan 01, 2009 3:32 pm 
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Joined: Sat Feb 11, 2006 12:00 am
Posts: 1294
Location: Penang
GPS: Nuvi 300, 205W, 2575, Papaga N1, iGo, 5800, M1200, M1000B/C
Li-Ion polymer battery used in the Nuvi GPS needs replacement every 3-4 years as its internal (battery) resistance rises due to aging/oxidation. Replacing the unit with the correct battery type is important unless you are competent to make an equivalent type replacement.

Here is my experience on changing the Nuvi 300 Li-Ion Polymer 1250mA battery. Hope you enjoy the work.

Also See HERE. - Updated 20100718

Flip the Nuvi 300 Antenna up to expose the back cover screws.
Attachment:
1_Antenna_Screw.JPG
1_Antenna_Screw.JPG [ 34.45 KiB | Viewed 3591 times ]


Remove the two screws
Attachment:
2_AntennaScrewRemove.JPG
2_AntennaScrewRemove.JPG [ 20.73 KiB | Viewed 3588 times ]


Lift the back cover slightly to access the locking pin
Attachment:
3_AntennaCoverRemove.JPG
3_AntennaCoverRemove.JPG [ 28.48 KiB | Viewed 3589 times ]


Insert a sharp prick/screwdriver into the slot to slide the spring lock that holds the antenna assembly to the housing. This mechanism is similar to the 'Toilet Roll Holder'
Attachment:
4_AntennaAssyRemove.JPG
4_AntennaAssyRemove.JPG [ 34.31 KiB | Viewed 3588 times ]


Slide the latch back and lift the antenna assembly up.
Attachment:
5_AntennaAssyRemoveSpringLatch-1.JPG
5_AntennaAssyRemoveSpringLatch-1.JPG [ 36.39 KiB | Viewed 3587 times ]


The locking pin.
Attachment:
6_AntennaAssyRemoveSpringLatch-2.JPG
6_AntennaAssyRemoveSpringLatch-2.JPG [ 31.82 KiB | Viewed 3587 times ]


Remove the locking pin and spring
Attachment:
7_AntennaAssyRemoveSpringLatch-3.JPG
7_AntennaAssyRemoveSpringLatch-3.JPG [ 27.82 KiB | Viewed 3586 times ]


Slide and remove the back cover... the antenna cable is coiled inside the hinge.
Attachment:
8_AntennaBackCover-1.JPG
8_AntennaBackCover-1.JPG [ 40.92 KiB | Viewed 3586 times ]


Slide the cover away from the coiled flex cable of the antenna.
Attachment:
9_AntennaBackCover-2.JPG
9_AntennaBackCover-2.JPG [ 46.76 KiB | Viewed 3586 times ]


Filp the antenna back to its position and secure it with tape. You need not remove the antenna for a battery change.
Attachment:
A1_AntennaTaped.JPG
A1_AntennaTaped.JPG [ 32.15 KiB | Viewed 3584 times ]

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Last edited by moeyHC on Sun Jul 18, 2010 10:43 am, edited 1 time in total.

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PostPosted: Thu Jan 01, 2009 3:43 pm 
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Joined: Sat Feb 11, 2006 12:00 am
Posts: 1294
Location: Penang
GPS: Nuvi 300, 205W, 2575, Papaga N1, iGo, 5800, M1200, M1000B/C
Remove the two back cover screws. Your Nuvi is ready to be pry open.
Attachment:
A2_BackCoverScrewRemoved.JPG
A2_BackCoverScrewRemoved.JPG [ 37.31 KiB | Viewed 3554 times ]


To open the cover Start Here. This seem to be the easiest place to start.
Attachment:
A3_OpenNuviStartHere-1.JPG
A3_OpenNuviStartHere-1.JPG [ 19.51 KiB | Viewed 3556 times ]


Work along the perimeter to open the cover
Attachment:
A4_OpenNuviWorkAlongHere-1.JPG
A4_OpenNuviWorkAlongHere-1.JPG [ 23.36 KiB | Viewed 3557 times ]


Slowly lift the cover up (LCD face up) Be careful there are cables connecting the two halves. Locate the antenna connector as shown.
Attachment:
A5_OpenAntennaConnector-1.JPG
A5_OpenAntennaConnector-1.JPG [ 31.56 KiB | Viewed 3556 times ]


Flip the connector lock up to free the cable.
Attachment:
A6_OpenAntennaConnectorFlip-1.JPG
A6_OpenAntennaConnectorFlip-1.JPG [ 30.43 KiB | Viewed 3555 times ]


Remove the antenna cable
Attachment:
A7_PullOutAntennaCable.JPG
A7_PullOutAntennaCable.JPG [ 31.86 KiB | Viewed 3551 times ]


Remove the Philips head screw. This is the only screw that hold the PCB.
Attachment:
A8_RemovePhilipHeadScrew.JPG
A8_RemovePhilipHeadScrew.JPG [ 34.58 KiB | Viewed 3552 times ]


Flip the PCB over to the LCD assembly
Attachment:
A9_FlipPCBToLCD.JPG
A9_FlipPCBToLCD.JPG [ 45.95 KiB | Viewed 3551 times ]


Disconnect the Speaker and Battery Connectors
Attachment:
B1_RemoveSpeakerBatteryConnectors.JPG
B1_RemoveSpeakerBatteryConnectors.JPG [ 47.38 KiB | Viewed 3551 times ]


The task is done. Pry the battery out using a flat head screwdriver. It is secure to the base with double sided tape only.
Attachment:
B2_BatteryCompartment.JPG
B2_BatteryCompartment.JPG [ 39.92 KiB | Viewed 3550 times ]

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PostPosted: Thu Jan 01, 2009 3:46 pm 
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Joined: Sat Feb 11, 2006 12:00 am
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Location: Penang
GPS: Nuvi 300, 205W, 2575, Papaga N1, iGo, 5800, M1200, M1000B/C
The battery removed and ready for the new replacement.
Attachment:
B3_BatteryRemoved.JPG
B3_BatteryRemoved.JPG [ 35.13 KiB | Viewed 3555 times ]


The Tools Of The Trade
Attachment:
B4_ToolsOfTheTrade.JPG
B4_ToolsOfTheTrade.JPG [ 58.29 KiB | Viewed 3555 times ]


Hope you like the photo shoot.... and instructions.

Batteries not included... :mrgreen: ... cheers!
Use at your own risk... [-o<

Happy New Year!

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PostPosted: Thu Jan 01, 2009 6:53 pm 
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Joined: Mon Apr 18, 2005 12:00 am
Posts: 3363
Location: Sabah & Sarawak
GPS: Garmin 10x, GPSmap78s (now become a lemon) & etrex Vista HCx
Excellent stuff Moey, but to be attempted by competent members only, me not included :cry:

What sort of battery does it use?


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PostPosted: Thu Jan 01, 2009 7:46 pm 
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Joined: Sat Feb 11, 2006 12:00 am
Posts: 1294
Location: Penang
GPS: Nuvi 300, 205W, 2575, Papaga N1, iGo, 5800, M1200, M1000B/C
Bro bernGPS,

This job is easy, try it. The Nuvi uses custom battery pack that can be found on the Net. Google search for the part number shown on the battery. The p/n can be found in the pictures below (shows its dimension too)...

The height
Attachment:
BatteryHeight_5.9.JPG
BatteryHeight_5.9.JPG [ 38.85 KiB | Viewed 3475 times ]


The width
Attachment:
BatteryWidth_3.34.JPG
BatteryWidth_3.34.JPG [ 36.98 KiB | Viewed 3474 times ]


The thickness
Attachment:
BatteryThickness_5.2mm.JPG
BatteryThickness_5.2mm.JPG [ 29.5 KiB | Viewed 3471 times ]


Cheers!

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PostPosted: Thu Jan 01, 2009 8:31 pm 
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GPS: Nuvi 350
Good job! =D> =D> =D>


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PostPosted: Fri Jan 02, 2009 12:11 am 
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Nice :thumbsup: Straight forward job. Sure can DIY and if the unit is damaged along the way, that's a good reason to upgrade :mrgreen: to a better one.
:good:

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PostPosted: Wed Feb 11, 2009 2:57 pm 
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Joined: Tue Aug 14, 2007 3:57 pm
Posts: 62
Location: N 01'29.988, E 103'47.296
GPS: NUVI 205 and O2 IIi PDA + BT Evermore GPS receiver
If the old one doesn't go away (damage) then where got reason to get a new/better unit? :thumbsup:

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PostPosted: Sun Nov 01, 2009 11:41 pm 
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Posts: 375
Location: Toronto, Ontario, Canada
GPS: nüvi 255W
Sorry, this is a bit out of topic. Does any one have the DIY guide for replacing battery for nuvi 255W? Thanks.

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PostPosted: Mon Nov 02, 2009 9:25 am 
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Joined: Fri Aug 10, 2007 9:54 pm
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Location: Sin-Ka-Pu-Ra
GPS: Garmin Nüvi 1350, 3790T
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Panasonic ICE+Garmin
Samsung Note3
Apple iPad3
Except for the external antenna of the Nuvi 300 series and casing differences, the procedure should be the same. You need to use a tool to pry open the casing. The battery should be visible to you when the casing is taken apart.


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