Question about NEC MobilePro 770

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It will not come on. Left it sitting in the corner for months and never got it to take a charge again. Now the light indicating it is charging doesn't come on. I charge over night and did a hard reset but still nothing. I was wondering if I might need to buy a new battery for it or should I just let it rest in peace.

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Show charging symbols


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.

When the unit is charging, you will see a yellow lightning bolt appear over the green battery status icon.

When the lightning bolt is not there, this means the unit is running off of the battery.

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.

Pressing the screen again later will either say Charging Battery or Battery Charge Complete.

Mar 26, 2013 | Garmin Nuvi 680 GPS Receiver

2 Answers

I lost my manual to my duracell instant jumpstart . Just wanna know to properly recharge my unit.


I'm having the same problem where it won't take a charged. If you left it with a dead battery for say 6 months, it probably ruined the battery. You should have a charger for house current and car voltage charger. I guess your dead in the battery like me. I'm taking it to Battery Plus to check it out. It only had a 1 year limited warranty. Good Luck.

Oct 30, 2010 | Duracell ® Instant Jumpstart System

2 Answers

Does it harm a Ryobi 18v lithium battery to leave on Charger?


Lithium-Ion batteries require careful charging and temperature monitoring while in the charger. Ryobi's Charging station monitors many functions and shuts off when the battery has gone through a complete charge. This is indicated by a steady Green light. Once the Charge indicator is a steady green the charger stops charging. With any battery It will slowly discharge and I don’t think the Ryobi will maintain a battery that is never removed. For example, if after a complete charge cycle if the battery was left there for 2 years and then you went to use it, it would likely be completely discharged. However if the battery charger is unplugged then plugged back in a new charge sequence would start. I lose power at my house about every 6 months or so. Once power is restored a new cycle would start and the charging cycle begins again.
Hope this helps and have a great day.

Apr 01, 2010 | Ryobi Two 18V Lithium-Ion Batteries +...

1 Answer

Had new batteries and a service 6 months ago. Has now been left standing for a couple of months. I charged it up last night, but nothing. The charger appears to be working, lights working. Any ideas


Yes your batteries have dropped below 9 vlt each and they wont chage using your charger. Yuo must take a car battery charger and charge each battery up to at least 11vlts for your charger to charge! This ought to work if batteries have only been sitting a couple of mths . When using a car charger set charge at 6-10 amps for about 45mins to 1hr then hook up chair charger and you should be ok

Feb 21, 2010 | Pride Jazzy 1103 Ultra Standard Power...

1 Answer

I have an Elite Traveler Plus. The batteries are dead. I plug in the charger and the light indicator is green (saying charge is ok)? but the batteries are still dead. Batteries have been drained for a...


The batteries will not accept a charge, therefore the charger things they are full. When a battery sits for that long then they drain beyond the point of repair.

Dec 09, 2009 | Pride Mobility Products Go-Go Elite...

1 Answer

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Complain to Tom Tom ,you may have a lemon,look for law suit soon

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1 Answer

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Complain to Tom Tom ,you may have a lemon,look for law suit soon

Mar 23, 2008 | Tomtom GO 910 GPS Receiver

1 Answer

Battery indicator light blinks red


if it show fully battery also when u charge your battery it show from the red indicate only tht is not a problem... u need to charge the battery fully ... untill the msg shown as charge complet .. so need not to worry about the Red blinking battery indicator when you plug in charger.

Apr 28, 2007 | Motorola Mobility RAZR V3

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