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Mitsubishi Diamante 2002 - slow battery drain when not running.

This problem may be a drain or a bad battery or alternator.

The first thing to do before going on trying to find the system that is draining the battery would be to have the battery tested and charging system tested.

A weak battery will seem ok after the car is jumped or will barely start the car and the alternator will charge it even though the alternator is overworking due to weak battery and during the day or when car does not sit long it will seem ok. then when car sits overnight or a few days battery will weaken on its own, making it look like a drain,

so first step is battery test and alternator/charging system test.

Jan 06, 2013 | 2002 Mitsubishi Diamante

1 Answer

No power to anything except the anti-theft light is still blinking

check for weak battery should have 12.6 volts if not battery weak or dead, have battery charged and check out.if battery hold charge then more likely alternator not charging battery due to faulty voltage regulator.if battery weak cant be charged battery need replacing also clean or replace battery cables,clean corrossion from battery cables.

Sep 25, 2012 | 2006 Ford Freestar

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My Philips SE435 telephone handset seems not to be able to retain any charge for more than an hour or so. Does it need a replacement battery,and if so where can I get one?\r\nKeith Moore

Yes it seems that the battery is weak and it is time to replace . So check the charging voltage on the base phone terminal and if this is low then the charging circuit must be checked. It is important to clean the terminals on the base and handset to allow full flow of charging current.
Please check the link for the battery;

Jul 25, 2011 | Philips SE435 Twin 1Line Cordless Phone

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Does not turn on

If your nuvi does not turn on, then you need to check the battery and the charger. Try another battery that is well charged in your gps receiver to see if it will work. If another battery works on your gps, then it means your battery is either weak or bad. To confirm if your battery is weak or bad, fix it in another gps receiver and charge for about 2 hours to see if it will power ion your gps, if it does, then you know your charger is bad and has not been charging the battery.
Also test the charger by trying to use it to charge another gps to see if it will charge, if it does, then the charger is okay but if it does not,then it is obvious that the charger is bad. And the solution to that is for you to replace the charger.
Also check the charging port on your gps and the port where you connect the charger on the car, if the two seem to be working when tested on another device.
That should do the job for you.

Dec 24, 2010 | Garmin nuvi 205W GPS Receiver

2 Answers

I can jump start matiz and it will run fin but after it sits for a day battery goes flat again. I have tested what charge is coming out and it is only 13 on idle but as soon as the revs pick up it jumps to...

It would seem that your battery is not holding a charge and needs replacement as the voltages you specify seem correct. The local battery dealer will be able to load test the battery and also test the charging system, usually free of charge.

Nov 17, 2010 | 2000 Daewoo Lanos

1 Answer

I have 19.2 volt battery charger the lights work but the charge seems very weak ```how to tell if working proper????

Measure the output voltage of the charger without the battery--it must read several volts more than 19.9 volts. If ok, then the battery itself probably needs replacement. Tool batteries seem to die fairly soon if they are made up of nickle-cadmium cells. Contact: for their rebuilding service with lithium cells which hold charge much better and deliver greater endurance from each charge. In many cases, the original charger will work with a lithium battery. Hope this helps!

Oct 17, 2010 | Garden

2 Answers


You need to get the battery and charging system checked. If your lucky its just a bad battery if its 4 or more years old.. Alot of batteries fail this time of year, The cold does it.

Dec 22, 2009 | 2005 Honda Pilot

1 Answer

Battery not charging/visit workshop light on

or could possible be the alternator over charging

Oct 05, 2009 | 2006 Mercedes-Benz Mercedes Benz CLS500

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