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Mid M729P. Touch-screen won't respond at all, or hold a charge on battery.

It comes on after 25% charge on battery but quickly drains after unplugging it.

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Itu kemungkinan besar, disebabkan batty sudah berumur dan harus di ganti, jika kejadian sebelumnya masih terjadi berarti, ic charger harus diganti, jika masih terjadi, berarti anda harus ganti android..

Posted on Oct 09, 2019


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  • Cars & Trucks Master
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Battery failing

Posted on Oct 09, 2019


6 Suggested Answers


6ya staff

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Posted on Jan 02, 2017

Ted Schore

  • 7353 Answers

SOURCE: battery wasnt holding a charge so i replaced the

well, it will with the headlights on..... do you mean it loses a charge if parked, or driving it, the battery goes dead? if parked over night and its dead, there is a draw somewhere, make sure theres no dome light or glove box light on, cell phone charger, ect. A shop will need to verify the battery and altenator are good before doing a "parasitic draw test".... the max it should draw is 250ma.

Posted on Oct 16, 2009


Alexander Mimun

  • 3092 Answers

SOURCE: The check engine light is on. The battery can hold

Check battery voltage with a volt meter, should have no less then 12.0 volts, then start engine check voltage at battery again, should have no less then 13.5 volts and no more then 15.0 volts, if bad voltage there replace alternator, if all good, your batter has a dead cell, replace it.

Posted on Jan 08, 2010


  • 3640 Answers

SOURCE: Driving down the highway turn lights on battery

first of all, check voltage at battery car off should read at least 12.5 to 13 volts. now start car. at battery it should read at least 14 volts, if lower then 14 volts check alternator.

Posted on Dec 17, 2010


Kirk Augustin

  • 2019 Answers

SOURCE: my 199 plymouth voyager mini

It could be a bad battery, or it could be a bad alternator, ground wire, dirty terminals, etc.
You need to test the components.
Charge the battery.
Then put a voltmeter across it.
It should read 12.5 volts about.
When you crank it, it should drop to about 10.
If it drops lower, the batter or starter is likely bad.
If it does not drop to 10, then the starter or terminals are bad,
If you stop cranking, the battery should come back up.
If it does not, it is bad.
Once started, then you should see over 13.5 when reved up.
If not, the alternator or terminals are bad.

Posted on Nov 10, 2011

AJ Schlauer

  • 1 Answer

SOURCE: 1992 Bmw new battery won't hold a charge


Posted on Dec 24, 2011

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Unseen things can sometimes brain your battery. A trunk light that doesn't go off when the trunk is closed. Open the trunk and touch the bulb quickly, it should not be hot yet. If it is it's stuck on. The same goes for the glove compartment light.

There could be a problem with the alternator or even a battery that just won't hold a charge as opposed to an actual power drain. Fully charge the battery and then disconnect it for the night. Next morning reconnect it. If the charge is holding it will start just fine. If it doesn't then your battery is suspect.

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Car is 25 year old. Some wire/wires are shorting with each other or the battery. For doing a Battery drain test known also as Parasitic Draw test.
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How To Perform a Parasitic Draw Test - EricTheCarGuy

I’m happy to assist further over the phone at

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If your battery was drained totally dead by the issue, then it might not be able to hold a charge any more, so having that checked should help you out. If your problem with the door locks still happens after the battery is charged and back in the truck I recommend taking the whole truck to Sears Auto Center and have them put it on their electronics tester. Their machine can usually pinpoint the location of the shorted circuit and make for an easy and quick fix by telling you whether it is a relay that it malfunctioning or if it is something else that is causing the power drain. This is a lot faster and more reliable than trying to find out which circuit is not working properly on your own (as it is not safe to work on a live wire in your engine -- a truck battery has more than enough juice to seriously injure or kill you if you touch the wrong live wires.

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Check things like lights under the hood or in the trunk not turning off. It may also be a charging problem, the battery not being charged rather than something draining it. The alternator should give 13.5 volts to the battery.

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