Question about Garmin GPS 48 GPS Receiver

2 Answers

Replacement of the 10 year lithium back-up battery

1. Which battery type do I need?

2. Where can I buy it?

3. Where is the battery located, how do I change it and how do I get inside the case?

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  • Anonymous Feb 18, 2009

    replacement of garmin gps 48 lithium battery?


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Pry it apart along the edge with an exacto. Be careful around the antenna where it is circular.

Get a new battery to match and a battery holder from DigiKey.
Solder wires to the new battery holder and secure it at an angle up by the antenna with white silicone making sure that the case closes. Get the + and - right when you solder.

Test the unit then secure the case with white silicone in a small bead.

Posted on Jul 08, 2010

I just fixed three garmin 48 with memory battery low, E mail me at and I'll explain.

Posted on Aug 07, 2008

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Posted on Jan 02, 2017

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1 Answer

Does the same apply for the NavMan S100T battery as you can buy replacement batteries for this model?

No. From the manual: "Your Navman contains a non-replaceable internal lithium-ion polymer battery."

Mar 05, 2012 | Navman GPS

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Standard Horizon CP150 internal battery is dead, so I can't save my waypoints. Has anyone ever changed the internal battery? What kind of battery is needed? Where is the battery located? How do I...

You must open the unit up to get to the battery .
The battery should be a 3 volt lithium cell that is soldered directly to the main circuit board .
If you are not experienced in electrical - DO NOT ATTEMPT .Take it to someone experienced .
If you need assistance call 1-800-701-4008

Sep 13, 2011 | Standard Horizon CP150 GPS Receiver

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I left my Garmin 765t GPS in the car over a very cold night and since then the unit doesn't recharge. Please help Thank you Bill

While the rechargeable lithium-ion batteries inside the GPS can operate in a fairly wide temperature range, leaving the battery out in anything less than -10 weather will render the battery inoperable. Unfortunately your battery has probably been exposed to a lower temperature, and therefore will no longer take a charge. You will have to replace the battery. Depending on the retail source that you bought it from you should be able to purchase a replacement unit from them. On a side note, lithium batteries normally have a 3 year lifespan, and you would have to replace after that time-frame.

Thank you for the opportunity to assist you in resolving your issue. Should you need further information or assistance please do not hesitate to let us know.

Feb 17, 2011 | Garmin n?vi 765T Car GPS Receiver

1 Answer

My garmin iq 3600 has died I left the gps antenea put and it will n0t take a charge.garman has stopped repairs on this model

I suspect that your Lithium polymer battery is going bad. If the battery is more than two (2) years old, then the ability to hold a charge has depleted and it will be gone after about three years total. You probably need to replace it. see:

for a possible replacement, or go on line and search for your particular battery model

Dec 07, 2010 | GPS

1 Answer

My battery is 2 year's old and is now only lasting 30 minutes after fully re-charging.

Two years is actually pretty good for a rechargeable battery in regular/constant use.
Lithium-ion rechargeable batteries have around 500 recharge cycles and then will loose capacity very quickly as for your unit.

This internal Li-Ion battery will now need to be replaced.

Hope it helps.

Sep 27, 2010 | Garmin Forerunner 205 GPS Receiver

1 Answer

I think I need a new battery. Can I replace it myself?

Garmin Nuvi 350 is fine companion of Travel. it's Lithium Ion battery is sealed into the package and is not normally user serviceable and lasts for on average 3 to 6 hours depending on back light option and replacement requires disassembly.

Dec 15, 2009 | Garmin Nuvi 350 Car GPS Receiver

1 Answer

I have Blankpunkt Travalpilot Lucca , the battery doesnt charge up in the house or on a journey. I think it is possibley a dud battery. I have owned this navigation system for about year & am pleased...

Hello Tiptoe,

I'm not sure if these are the answers.

I finally heard from Blaupunkt and have the part number you require:
  • Apologies for the delay, there has been a change of part number and I
    couldn't check the pricing information due to website problems.
  • The part number for the battery is 8619 003 386, and the price including
    VAT and delivery is £24.40
  • Please don't hesitate to contact us should you wish to order one. We
    accept all major credit and debit cards as payment.
  • Tel. 01249 817370 Fax. 01249 817346
However, research leads me to believe that the battery is not at fault. The battery charging circuit may have 'lost' the battery because it was discharged completely. As suggested by the following I found online.
  • If a Li-ion battery is left discharged after use, the self-discharge will further drain the pack and eventually trip the protection circuit at about 2.5 volts per cell. At this point, the charger will no longer recognize the battery and the pack appears dead. Only specialized equipment or advanced battery analyzer will be able to re-activate the protection circuit and recharge the battery.
    Charge for about 30 minutes before storage if the Li-ion battery is depleted.
    Do not stockpile lithium-ion batteries; and avoid buying dated stock. The aging process cannot be reversed and cycling will not improve.
  • The self-discharge of the lithium-ion battery is 5% in the first 24 hours after charge, and then reduces to 1% to 2% per month thereafter. The safety circuit adds about 3%.
  • High cycle count and aging have little effect on the self-discharge of lithium-based batteries.
It suggests to me that a specialist will be able to get the unit to 'accept' the old battery again. Putting in a new battery will not solve the problem in itself.

Hope I have helped.

Jul 21, 2008 | Blaupunkt TravelPilot DX-N GPS Receiver

1 Answer


You can go to batteries plus or wherever and buy a new 3 volt battery for it. You will have to unsoder the old one and soder the new one back in. Original was a VL1220, I replaced with a Dantona Lith 1-2VLS

Jun 23, 2008 | Garmin GPS 48 GPS Receiver

5 Answers

Replacement Memory Battery

I dont have a GPS 111 plus unit but my guess is that it has a very small solder in 3v rechargeable lithium battery (as do most Garmin units)
This is a $1 quick and dirty fix which I have used for the i2, i3 and i5 series and could probably be adapted for the GPS111.
Forget all about the 'special' battery, just get a CR2025 or similar 3v lithium button cell. make it 'wire ended' by baring off the ends of some very thin connecting wire say 2 inches long and tape to each side of the battery with insulating tape. Slacken the 3 screws holding the AA battery pack and tuck the CR2025 underneath, pack some sponge on top so that when the screws are re-tightened there is sufficient pressure to keep the battery firmly in place and also to keep the wires held firmly against the battery. Remove the original button cell and wire in the new CR2025 make sure you keep the same polarity. Thats it.
I know the CR2025 is not chargeable but it does not need to be, its capacity is about 100 times greater than than the original cell and it will last at least 5 years without becoming discharged, it is not affected by the tiny charge current the garmin tries to put in it. The original button cell will have failed within about 5 yrs so it's a 'no brainer'. This solution is intended for folks with some electronic knowledge and ability, If you do not fully understand any of the above then dont attempt it'
Hope this helps.

Oct 29, 2007 | Garmin StreetPilot i3 GPS Receiver

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Radar screen shows "no scanner". Would like resistance data for cable pin-out from display to scanner head.

Hello Clifford,

This is an old message. Are you still having trouble with this or has it been resolved?

Aug 22, 2007 | Raymarine C80 GPS Receiver

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"Upload ...Not Present" message. Nothing else on the screen. I replaced the internal battery last spring used it all summer. Have just checked internal and external batteries and all are fresh 3v internal and new AA four batteries. Upon startup the screen says "Upload" "Not Present" and there is no menu. I have tried hitting Page and Menu, etc. nothing happens. I tried leaving it out and on for 3 hours to see if it would find itself and satellites. I tried connecting to the computer and uploading the internal program the port was not found. Tried this a number of times and a number of ways. I have tried leaving it on to search for 3 hours and have tried to connect to my computer to reinstall the software but that does not work. The internal battery was replaced with a new one last year. I have fresh batteries in the unit. What is the problem? How do I fix it? Thank you. I love this unit and would like to keep it going. I have fixed two others for friends who needed the internal battery fixed. They use it as a backup. I have tried the Auto Locate procedure about 3 times. I have also tried clearing by holding the PAGE + Power. Then tried autolocate. Message "Upload... Not Present" still remains. Also have tried clearing by holding the MARK + Power. Then tried autolocate. Message "Upload... Not Present" still remains. Now I am wondering if this message has to do with an interrupted connection with EasyGPS from last winter. I was uploading waypoints, and thought it had completed and may have turned off and disconnected the plug before an operation was completed in saving waypoints off the Garmin 48. I do not know this for a fact, but that was the last operation I recall doing last fall, before starting the GPS up again on the boat this spring. I have also tried to connect the unit to Easy GPS via the serial port, thinking perhaps it would complete whatever it is trying to do. I have tried uploading routes and downloading routes via EasyGPS send and recieve and it does not seem to work. I wonder now if the interface setting has been reset, by my pressing PAGE+power and Mark + Power earlier. I would not mind that if the menus came up properly, but that is not happening. Is there some other way to kick it out of this mode? I turn it on and there is the message "Upload...Not present" and none of the menu buttons work to get it into the normal startup screen mode..... I've tried Quit, Page, Enter, Goto, Mark, Power (off and on), and none of the get the computer out of this mode and back into the normal menus for startup. I've removed the antennae and checked all the contacts and that seems fine, and reinstalled. Is there some small reboot button inside that I can jumper? I have tried taking the internal battery out and letting it sit for three days and it still does the same thing. Any suggestions would be appreciated

Jul 08, 2010 | Garmin GPS 48 GPS Receiver

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