Changing The Nuvi Battery - A Step By Step DIY Guide

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moeyHC
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Changing The Nuvi Battery - A Step By Step DIY Guide

#1 Post by moeyHC » Thu Jan 01, 2009 3:32 pm

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.
1_Antenna_Screw.JPG
1_Antenna_Screw.JPG (34.45 KiB) Viewed 6841 times
Remove the two screws
2_AntennaScrewRemove.JPG
2_AntennaScrewRemove.JPG (20.73 KiB) Viewed 6838 times
Lift the back cover slightly to access the locking pin
3_AntennaCoverRemove.JPG
3_AntennaCoverRemove.JPG (28.48 KiB) Viewed 6839 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'
4_AntennaAssyRemove.JPG
4_AntennaAssyRemove.JPG (34.31 KiB) Viewed 6838 times
Slide the latch back and lift the antenna assembly up.
5_AntennaAssyRemoveSpringLatch-1.JPG
5_AntennaAssyRemoveSpringLatch-1.JPG (36.39 KiB) Viewed 6837 times
The locking pin.
6_AntennaAssyRemoveSpringLatch-2.JPG
6_AntennaAssyRemoveSpringLatch-2.JPG (31.82 KiB) Viewed 6837 times
Remove the locking pin and spring
7_AntennaAssyRemoveSpringLatch-3.JPG
7_AntennaAssyRemoveSpringLatch-3.JPG (27.82 KiB) Viewed 6836 times
Slide and remove the back cover... the antenna cable is coiled inside the hinge.
8_AntennaBackCover-1.JPG
8_AntennaBackCover-1.JPG (40.92 KiB) Viewed 6836 times
Slide the cover away from the coiled flex cable of the antenna.
9_AntennaBackCover-2.JPG
9_AntennaBackCover-2.JPG (46.76 KiB) Viewed 6836 times
Filp the antenna back to its position and secure it with tape. You need not remove the antenna for a battery change.
A1_AntennaTaped.JPG
A1_AntennaTaped.JPG (32.15 KiB) Viewed 6834 times
Last edited by moeyHC on Sun Jul 18, 2010 10:43 am, edited 1 time in total.
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moeyHC
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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#2 Post by moeyHC » Thu Jan 01, 2009 3:43 pm

Remove the two back cover screws. Your Nuvi is ready to be pry open.
A2_BackCoverScrewRemoved.JPG
A2_BackCoverScrewRemoved.JPG (37.31 KiB) Viewed 6804 times
To open the cover Start Here. This seem to be the easiest place to start.
A3_OpenNuviStartHere-1.JPG
A3_OpenNuviStartHere-1.JPG (19.51 KiB) Viewed 6806 times
Work along the perimeter to open the cover
A4_OpenNuviWorkAlongHere-1.JPG
A4_OpenNuviWorkAlongHere-1.JPG (23.36 KiB) Viewed 6807 times
Slowly lift the cover up (LCD face up) Be careful there are cables connecting the two halves. Locate the antenna connector as shown.
A5_OpenAntennaConnector-1.JPG
A5_OpenAntennaConnector-1.JPG (31.56 KiB) Viewed 6806 times
Flip the connector lock up to free the cable.
A6_OpenAntennaConnectorFlip-1.JPG
A6_OpenAntennaConnectorFlip-1.JPG (30.43 KiB) Viewed 6805 times
Remove the antenna cable
A7_PullOutAntennaCable.JPG
A7_PullOutAntennaCable.JPG (31.86 KiB) Viewed 6801 times
Remove the Philips head screw. This is the only screw that hold the PCB.
A8_RemovePhilipHeadScrew.JPG
A8_RemovePhilipHeadScrew.JPG (34.58 KiB) Viewed 6802 times
Flip the PCB over to the LCD assembly
A9_FlipPCBToLCD.JPG
A9_FlipPCBToLCD.JPG (45.95 KiB) Viewed 6801 times
Disconnect the Speaker and Battery Connectors
B1_RemoveSpeakerBatteryConnectors.JPG
B1_RemoveSpeakerBatteryConnectors.JPG (47.38 KiB) Viewed 6801 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.
B2_BatteryCompartment.JPG
B2_BatteryCompartment.JPG (39.92 KiB) Viewed 6800 times
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moeyHC
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Re: Changing The Nuvi Battery - A Step By Step DIY Guide

#3 Post by moeyHC » Thu Jan 01, 2009 3:46 pm

The battery removed and ready for the new replacement.
B3_BatteryRemoved.JPG
B3_BatteryRemoved.JPG (35.13 KiB) Viewed 6805 times
The Tools Of The Trade
B4_ToolsOfTheTrade.JPG
B4_ToolsOfTheTrade.JPG (58.29 KiB) Viewed 6805 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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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#4 Post by bernGPS » Thu Jan 01, 2009 6:53 pm

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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moeyHC
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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#5 Post by moeyHC » Thu Jan 01, 2009 7:46 pm

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
BatteryHeight_5.9.JPG
BatteryHeight_5.9.JPG (38.85 KiB) Viewed 6725 times
The width
BatteryWidth_3.34.JPG
BatteryWidth_3.34.JPG (36.98 KiB) Viewed 6724 times
The thickness
BatteryThickness_5.2mm.JPG
BatteryThickness_5.2mm.JPG (29.5 KiB) Viewed 6721 times
Cheers!
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LeonCheong
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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#6 Post by LeonCheong » Thu Jan 01, 2009 8:31 pm

Good job! =D> =D> =D>

izani
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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#7 Post by izani » Fri Jan 02, 2009 12:11 am

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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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#8 Post by 9w2pat » Wed Feb 11, 2009 2:57 pm

If the old one doesn't go away (damage) then where got reason to get a new/better unit? :thumbsup:
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ktan
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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#9 Post by ktan » Sun Nov 01, 2009 11:41 pm

Sorry, this is a bit out of topic. Does any one have the DIY guide for replacing battery for nuvi 255W? Thanks.
-KT :)

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Re: Changing The Nuvi 3xx Battery - A Step By Step DIY Guide

#10 Post by SilverBeauty » Mon Nov 02, 2009 9:25 am

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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