Questions tagged [battery]

A rechargeable device most often made of lead plates covered in an electrolyte and protected by a plastic shell which supplies consistent electrical energy to a motor vehicle. Often referred to as an SLI battery (starting, lighting, ignition). Powers starter motor, lights, and ignition systems of a motor vehicle.

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1answer
62 views

Is it ok to charge battery inside car or home with no one in it?

I read that when charging a battery(charger to battery) or battery to battery(I imagine) a toxic chemical/gas is released from the battery. As such you should ventilate and not be in the home whilst ...
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New battery dead after 48 hours

My 3 yr old battery went dead and would not jump off. Replaced it. After 48 hours it was dead. Jumped it off. Held charge another 10 hrs. Dead again. Took to a shop. They replaced the negative cable ...
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What causes car battery to hold only 5v?

One of my cars was parked for a few months and it couldn't start after that. I could jump start the car and gave it some good drives (2hrs in total) to recharge the battery. However, that didn't help ...
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Do I need a battery maintainer, a portable jumpstarter, or a completely new 12V battery?

Hybrid vehicle has not been used for several months due to COVID-19 pandemic. Vehicle has a 3 year old 12V AGM battery. Battery is not used as a true "starter" battery; it just boots the ...
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Jeep Cherokee Electrical

I have a 1991 Jeep Cherokee Laredo 4x4. When im driving all my electrical stuff turns off but turn on right away but the engine keeps running. This only happens when im driving through rough terrain, ...
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Why should I connect the red/positive terminal first when jump starting?

So, it's fairly popular consensus online that it's red/positive clips to the positive/red posts, then the black/negative clip to the frame One site mentions sparks, but you'll still get a spark when ...
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Jump starting a dead battery: Connect black wire to negative pole of battery or grounded metal?

Most of the advice I've seen for jump starting cars instructs to connect the black wire to a bare piece of metal on the car with the dead battery. However, I've always just hooked up both poles to the ...
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everything electrical works until i start my 2003 mercedes C 320

Everything works fine with the key in acc. position, but when I start it every thing stops working. No lights, no radio, no heater, no nothing. Any thoughts?
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parasitic battery drain on my 98 jeep cherokee

I have an amp draw of .85 tested from my negative battery cable on one lead and the neg. post on the other lead of my multimeter, I have removed every single fuse and relay and unplugged every single ...
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Replacing car battery, as soon as the terminals connected locks click on and off

I just replaced the car battery in a 12 year old Ford Focus, on reconnecting the terminals. The door locks continuously click on and off. Any ideas on the cause or suggestions for a fix ?
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New battery no start

One of week of extremely cold my Honda CRV 2014 battery died and I changed it with new one but the car neither started nor light or click it. I haven’t seen any problem before. Is there any suggestion ...
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Installed new battery not start [duplicate]

My Honda CR-V never have been any wrong or issues before. One week of extremely cold weather my battery died and I changed it with new one but no start, no light, no click at all. What shall I do ...
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How should I prevent my battery going flat when I leave my car alone for a month?

I will be leaving my Focus alone for around a month in (scottish) winter weather. Ordinarily I would make sure to take the vehicle out at least once a week to prevent the battery going flat in the ...
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414 views

Battery voltage confusion?

My car battery 45ah before engine start gives 12.6 Vol which means it is fully charged. Now, engine crank and the multimeter reading shows 14.4 v and continue to stay which simply implies that ...
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Is it necessary to clean underhood relay and fuse box from dusts?

A little history: My Chevrolet Aveo 2007 got into a strange state where it cranked, but did not start. It also had P0340 (Camshaft Position Sensor Code). Since, I did not see stable 12V on the Pink ...
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Parking brake left on

So I went to move my car this morning around two blocks from my house. My parking brake was on and I didn’t know. When I parked I realized it was on the whole time. It was driven for 2 block going 5 ...
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Will wrapping car battery with insulator help?

I always park my 2010 Honda CRV outside overnight. My place doesn't get freezing cold (usually around 40 degrees F) and it does get windy. Will wrapping my car battery with an insulator help extend ...
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Charging battery with battery charger vs jump starting and running the car

Got a 1998 Toyota Camry that has an empty battery and am wondering what the best course of action is. I have a battery charger that I am thinking of using but it's currently inconvenient to do. My ...
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What does the 'battery' light on the dashboard actually mean?

I know that when the battery symbol lights up on the dashboard it indicates a problem with the electrical system, which is commonly either an ageing battery or a broken alternator, but for the ...
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260 views

12V AGM battery charging voltage

I have the following 12V car battery: Varta Silver Dynamic AGM 595901085 (12V/95Ah/850A), and the following car: Jaguar S-Type 2.7D. In the technical cars manual it says this: So in cold winter ...
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2006 Toyota Seqouia battery will not charge after sitting up for 6 weeks

Vehicle has not been used in 6 weeks. Will a charger work if the battery is completely dead and the charger "sees" no current?
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Ticking sound when stopping (for example at a traffic light or stop sign) and driving off again

I took my Hyundai accent in for a battery change the guy was quite rough when he was putting the battery in, so far so that he was weighing down on the air filter cover and trying to push the air ...
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BMW E46 320D Battery Replacement

My 5 year old battery is dying, and I'm looking for a replacement. When this one was fitted, the car wasn't mine yet. There's also no label on the top with some details. Therefore, I wanted to know ...
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Car not starting after week of sitting in cold temperatures

Three weeks ago I bought an '03 Honda Civic. It's been running well so far, but I let it sit outside without using it for a week and a half in 10 to -10 F temperatures. After this, the car wouldn't ...
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Should I replace wiring harness? If yes, how to do it?

My Hyundai Tucson 2013's fog light is not working. Also a bulb in cabin which is supposed to stay steady is blinking. I suspect this could be because of the voltage drops and electrical faults. I ...
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12 to 24v charging with isolator

I'm trying to find the best way to charge my 24v solar battery bank off my 12v bus system. The simple way seems to be a step-up converter and a diode, but I'm wondering if I can replace the diode with ...
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white powder around battery but not on terminal. Is the battery bad?

Car cannot start today in California mild weather. I tried to jump start but failed, maybe the jump starter need a bit longer for charging. What's weird is I noticed the white powder around the ...
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585 views

Jaguar xk battery dying?

My car (jag xk 2006) went dead when I left it parked for 3 weeks. Understandable. I charged it and all ok. I made the same mistake a couple more times. Then one day when I was pumping up the tires at ...
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1answer
193 views

Car takes multiple attempts to start - bad battery?

It takes me 2-3 attempts to start my car the last few days. Yesterday it didn't start at all (no noise, but the lights/radio worked) and started after I got a jump and pumped the accelerator. I'm not ...
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After startup my battery is at 10.5 volts then after starting it up again it is 13.8 volts

After initial startup voltmeter says my battery is at 10 volts, the battery saver mode comes on and it says to check battery charging system. Then after turning it off and starting it up again ...
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2012 Honda Fit Won't Start - No Accessory power, only dash lights

Car won't start; when I attempt to turn the key, there's no turning over or clicking of any kind. No accessories come on (A/C, radio, etc.), but the interior lights will turn on. They seem slightly ...
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35 views

93 Seca 2 won't start without a jump, battery good?

So i have taken the battery out and had it tested at autozone and they said the battery was fine. the solonoid is fine because if i hit the starter the motor starts to act like it wants to turn but ...
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573 views

Cars With 2 Batteries?

Our 2008 Chrysler 300c has 2 batteries instead of the usual one. This is common on boats and RVs but not on cars. It has a large battery in the back far away from the starter motor and a smaller ...
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Electrical problems after jumping 2008 chevy silverado

After jumping truck, my stabilitrack light stays on, service brakes light stays on, and my radio does not power off when key is turned off (or when I open door). Not sure where to start to locate the ...
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Car battery charger voltage

i have a car battery(74ah) 750a that i hooked up to a cheap 12v 4a car charger without any smart functions. At what voltage should i disconnect the charger when measured with a multimeter? Now it ...
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1answer
274 views

2012 Honda Civic won't start - no power, no lights noting, tried jump start too

My 2012 Honda Civic is not starting, not dashboard lights nothing when I switch it on. At first I tried to jump start the car however, nothing. Then I searched the internet and realized that this ...
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2answers
177 views

2006 Chevy Impala dying while driving

I have a 2006 Chevy Impala LS (flex fuel) while I'm driving the dashboard sends off a warning of "reduced engine power" as my car loses power and I lose the ability to use my gas pedal. Meaning that ...
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2answers
189 views

Can a defective starter stop my car?

Just before christmas my car died while my girlfriend was on her way to work. She told me that when the car stopped it went completely silent (no engine/lights/music). Since she drove for about 15km (...
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1answer
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Car not starting, battery reading 12.5V

car wont start, had the same problem a couple months ago, but then it suddenly started. Came out this morning, car didnt start, almost got it starting but the starter motor didnt get enough juice I ...
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1answer
143 views

Little/no charging but alternator and battery test good

For the past few months, and seemingly getting progressively worse, I've had a charging problem: both battery and alternator test good (checked via charger with alternator test mode and higher-end ...
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0answers
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Motorcycle turns but won't start

I have a Suzuki Bandit 1250s. It was standing for about a year, after which I decided to ride it again. But it started giving a problem where it won't start when hot. The engine will turn like it has ...
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1answer
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power drain and sometimes will not jump

Mercury Grand Marqui 2000. Had issue last winter with needing to be jumped on very cold days. Was fine in summer. This winter the problem returned so I bought a new battery. Still, when car sits for ...
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1answer
28 views

Mercedes-Benz battery charge warning light

I have a Mercedes-Benz model 2004 with V-6 petrol engine E320. On the dash-board a battery mark you can watch always unless you push the botton on steering wheel will disappear. And battery still ok , ...
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3answers
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Do I need to change car-battery or retry jumping?

I didn't drive my car for months. Jump-started it once for a minor drive, but then didn't drive it again for a few weeks. All of this happened during cold winter. Now I jumped it again, with the ...
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3answers
273 views

Can an 18V-5W Solar Panel Provide an Equalizing Charge for a Battery?

I recently finished a project in which I installed an additional cigarette lighter port on my car that was always on (the existing one was only on when engine was running), and connected a small solar ...
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2answers
86 views

1998 Ford Expedition: Symptoms of dead battery while jumping

I'm attempting to get my 1998 Ford Expedition 5.4L V8 to start after sitting for a few months. Initially, the battery was dead, so I put it on my charger for a while. After the battery was charged I ...
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12 views

What year was my ac delco 34ps manufactured [duplicate]

What year was my ac delco battery 34ps made bar code is 808709410638.
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13k views

Does a corroded starter drain battery?

I know a "bad" starter can drain battery, but am unsure what constitutes "bad enough" to allow a starter to drain the battery. Suppose a hypothetical coolant leak has corroded one's starter. Would ...
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New battery shows white signal very soon!

Bought new SF sonic flash start battery and it's just a month old. It has 3 signals..green is ok, white is needs charging and red is contact dealers. I checked for battery indicator status and it's ...

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