Re: Replacement of the 10 year lithium back-up battery
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.
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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
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.
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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.
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.
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.
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.