Question about Garmin GPSMAP 276C GPS Receiver

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Gps 276C doesn't charge fully

My 276C never indicates a full charge, either on mains or battery. It is 4 months old. I have completely discharged and recharged it at least 5 times. The battery graphic shows "charge completed" when the blue colour is about 90% to 95% across the battery.
Not a practical problem so far, The GPS the is otherwise a great piece of equipment.
Thanks for any advice.

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Re: gps 276C doesn't charge fully

Garmin has updates for this issue on the website but it doesn't fix all the units. Mine for example still does the whole "charge complete" thing when showing 1/2 a battery. The funny thing is I let it drain and the unit stays on for about 10 hours after it says the battery is dead. Garmin is working on a new fix and they said it should be up in about a week.

Posted on Aug 13, 2008

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Re: gps 276C doesn't charge fully

Something is not right. I suggest you return it to the retailer for warranty repair.


Posted on Jan 30, 2008

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Your question was posted under the Nuvi 680 GPS, so I am assuming this is the model that you have.

On the main screen, you will see a green battery status indicator in the upper right-hand corner of the screen. The battery is divided into 4 parts. Each part represents 1/4 power. So if you have one green bar, that indicates that the battery has 1/4 of power left. If there are 3 bars, that indicates that there is 3/4 power left.

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When leaving the unit to charge, press and hold the power button until you see that the screen says Charging Battery. A few seconds later, the screen will go blank to save energy.

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Mar 26, 2013 | Garmin Nuvi 680 GPS Receiver

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When you unplug the charger from the satnav it shows a battery indicator on the top right of the screen that shows WHERE TO and VIEW MAP. If the indicator is fully green the satnav is fully charged.

Charging takes 4 hours approx if you charge it with the car charger or the mains charger. It takes approx 8 hours if you charge it with the USB port of your computer.

You can get the manual in adobe reader format from

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Battery symbol appears and then shuts off...even though it is fully charged. adapter works with other devices.

discharge battery.... connect 12v bulb from a car , to a tomtom battery.
after fully discharge, recharge again.
if no help- replace battery.

Oct 26, 2009 | Tomtom GO 720 GPS Receiver

1 Answer

Battery did fully

I don't know what you mean by that, but i am guessing you meant that your battery didn't fully charge? I have an answer if that is the case.

i can assume your device uses a Lithium-ion battery. When dealing with these batteries it is best to charge them often. If you charge the GPS to full then let the batteries go all the way down before recharging you are hurting the life of your batteries as well as the amount of time you can get at a full charge. 80% depth-of-discharge is recommended. Also the batteries age even when not in use, so if it is old get a new one.

if this is not your problem at all then im sorry you will need to clarify your post.

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My Garmin 276c indicates "Battery Missing" even with a new Batt.

Check the battery contact points inside the unit. There may be a thin film of crud (oxidation) that prevents contact, especially if the previous battery had any signs of corrosion.

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Generally most batterys are left on the charger overnight, thats a good way to ensure a full charge, but as you will be using it in your car, it doesn't matter much as power is always available.

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Thank you,

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Needs a Garmin workshop, or someone who's good with a fine-point soldering iron.

Jan 09, 2008 | Garmin GPSMAP 276C GPS Receiver

2 Answers

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It is the battery. Buy a new one.

Aug 31, 2007 | Garmin GPSMAP 276C GPS Receiver

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