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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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What if I do not reprogram the computer after changing car battery?

Background: I know nothing about cars but had my battery replaced just now and learned that you need to reprogram the onboard computer after changing the battery [1]. This is for a 2012 VW Passat if ...
morpheus's user avatar
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1 vote
1 answer
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New Battery will not fully charge

I was trying to get my 2015 KLR650 running, it had sat over winter for about three months and was away for work so it simply sat. I go home started once and let it run for a few minutes and felt ...
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2012 Verano new engine, now transmission issue

2012 Buick Verano new engine installed. Now transmission issue. However, when I unhook/reconnect the battery cables, it works fine for a while. Is there an engine to transmission part that was not ...
JoAnn M's user avatar
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2016 Honda Odyssey loses power on highway dashboard lights blink and then shuts down

2016 Honda Odyssey with 100,000 miles on it regularly serviced, lost power while driving on highway. Dash board lights blinked and then after getting to side of road shut down. Won’t start or anything....
user84791's user avatar
1 vote
1 answer
32 views

Dim Taillights After Battery Replacement

I got a 2008 Honda accord sedan 6 cylinder. Recently I bought Duralast Gold battery from autozone and had a mechanic install it real quick, since he was also doing a brake flush for me. After the new ...
Michel's user avatar
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I couldn't start the car using two different jump starters! UPDATED

I have a 2008 3.5 HL. Last night, my wife was driving the car and noticed smoke coming from the hood on the passenger side (I suspect from the alternator). She parked and immediately turned the car ...
best_of_man's user avatar
2 votes
2 answers
257 views

I was filling and activating my new Yuasa battery when I noticed a slight smell of rotten eggs

I just received my new battery for my Triumph and it came with acid tubes that I needed to use to fill the battery. I followed the instructions in this video https://www.youtube.com/watch?v=...
actaram's user avatar
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'81 toyota battery being overcharged. Replacing voltage regulator did nothing

My 1981 Toyota pickup is showing around 15.3 volts while the engine is running. And after replacing the voltage regulator I have the same issue. I have cleaned every ground in the engine bay. The ...
Ayden Cole's user avatar
1 vote
1 answer
45 views

Can I estimate the health of an old lead-acid battery by its rest open-circuit voltage at full charge?

Cars today use lead-acid batteries for the starting/lighting/ignition system. Hybrid vehicles that start the engine by a high-voltage battery do the same except for starting. Similarly, many electric ...
juhist's user avatar
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1 vote
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Adding an indicator LED to show a 72v contactor is closed

I'm upgrading the battery on my electric boat. Currently I have a 72v 100ah LifePO4 battery. I have a solenoid between the controller and the battery. That solenoid is attached to the ignition key. ...
Daniel Morris's user avatar
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1 answer
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2015 Honda Odyssey. How to charge my APU only when the car battery is not being charged?

I have a 2015 Honda Odyssey and an APU (battery) that I want to charge at 400W (on the highway). To avoid overloading the alternator, I want to charge my APU only when the car battery is not being ...
Eric Houston's user avatar
2 votes
2 answers
61 views

Bad battery connection as reason for failed alternator?

I'm totally new to car mechanics. The other day the battery died on my 2006 Toyota Camry. I jumped it but it would not hold a charge so I brought the battery into a mechanic to have it tested and they ...
hoss's user avatar
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2 answers
44 views

3 battery setup in campervan

I currently have a 120 Ah AGM LP120 leisure battery in my camper van to power my 12 V fridge, LED lights etc. I have recently bought two further batteries to allow me to stay 'off grid' longer whilst ...
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2 votes
2 answers
64 views

car battery unused for three years

Car has been in the drive for 3 years and the battery has gone flat. I took it out of the car and opened the cell covers and the water/liquid level in all of them looks kinda low. Also a few of the ...
fixeruper1's user avatar
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1 answer
58 views

jump starting car: why wouldn't jump start work when bad battery is more depleted

Please see pic. I was able to jump start on day 1 on first attempt. After the bad battery depleted more over the weekend (day 3), I was not able to jump start easily. I kept trying for 30 minutes, ...
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Brass SAE battery terminal clamps. What do these numbers, 300-800 mean?

I'm configuring a solar power generation project and I'm using a 12V "leisure" vehicle battery with standard SAE lead post. My current battery post clamps are heating under use, so I've ...
Douglas Held's user avatar
1 vote
1 answer
54 views

Battery voltage 2019 Chevy Silverado 1500

Hello everyone I recently got a new battery and had alternator checked and was good. When driving in the early morning voltage stays at 14 which it should but when parked for a while and u go to work ...
Jeremy's user avatar
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Car won’t start despite a jump

2010 Ford Fusion SEL Been having some troubles with my car lately, following a multitude of things (including a missing undercarriage cover while it was insanely snowy, and -25C weather). It’s been ...
Tor Broughton's user avatar
2 votes
0 answers
71 views

Truck won't start unless I jump it (and I've replaced the battery)

I drove my 2009 f150 platinum to work one morning with no issues. As I was trying to start it to go home, the engine did nothing. All the lights and so forth worked just fine, but I didn't even hear ...
Time77's user avatar
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4 votes
2 answers
1k views

Car won't start, jumping doesn't work, bumping does

Fiat Tipo 66 plate... Car has been intermittent with starting. For example, started it this morning at 6.30am to move out of the way of partners car, then went to start at 8am and it wouldn't start, ...
Leah Blackall's user avatar
2 votes
2 answers
96 views

Why Tesla effectively loosing Fuel evey day or week

It may seem odd, when I ask about fuel in regards to Tesla. I yet do not own one, but some acquaintance ( with Tesla Y Long range, with total battery capacity of 326 miles) has tole me when I asked ...
puzzled's user avatar
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3 votes
1 answer
253 views

What are the effects of upgrading battery size/power in 2012 Civic LX

I found Upgrading Honda Accord Group 51 battery to a larger one but it answered one of my questions. 2012 Honda Civic LX, 1.8l Battery stock size is 51R, but they only get about 4-500 CCA. We live in ...
Stay-at-home-dad's user avatar
4 votes
1 answer
1k views

Should I be worried about my car battery?

A guy replaced my car battery and connected black wire followed by red cable. Google says it should be otherwise. When he connected the black one my alarm beeped once. No sparks, fire, flickering ...
Fleeck's user avatar
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Positive battery terminal is seized (rust or what not), can electrical work be still done with only the negative cable removed

Looks like positive would need to be cut out, it's completely locked shut. Disconnected the negative. Will there be an issue with electrical work conducted, curious
access_granted's user avatar
9 votes
2 answers
1k views

Boost car without battery

As an experiment, I tried starting a junk car (2005 Malibu) that didn't have a battery using jumper cables: Energizer 30 ft 1 Gauge Quick-Connect Booster Cables. To my surprise, it worked (although, ...
User1974's user avatar
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7 votes
3 answers
639 views

Wiring extra truck battery to power winch

2010 Silverado 1500 My Silverado has an empty spot under the hood for a second battery. I’m wondering if I could install a second battery and use it to power a winch that is mounted to the headache ...
User1974's user avatar
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0 votes
0 answers
59 views

2009 Nissan Murano Negative Battery Terminal

Mechanics, I am in the process of getting our Murano ready to sell. Is there any advise to how I can ensure the NEGATIVE terminal is more secure??? I have it as tight as it will tighten, but it ...
Moojjoo's user avatar
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2 votes
1 answer
88 views

2014 Elantra. Put new battery in mechanic checked it over said solid car. Last night coming down I75 everything went out but motor. Now won't start?

2014 Elantra..Put a new battery in a few weeks ago and a mechanic checked everything and said it's a solid good car. Last night I was coming down I75 and everything shut off/went out but the motor ...
Monica Jenkins's user avatar
2 votes
1 answer
161 views

Heard bang while driving, car wont start

I heard a bang right after shifting gears and I suddenly lost power to my radio and power steering. My engine was still running fine after the bang. But when I shut it off I couldnt start it again. ...
Frs_man's user avatar
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3 votes
1 answer
761 views

2014 Dodge Dart Starting Issue

My son has a 2014 Dodge Dart SXT with a little over 113,000 miles. One day last week the car wouldn't start. No check engine light or codes. Battery was purchased 3 months ago. Had it towed to a very ...
Jay Stephens's user avatar
1 vote
0 answers
109 views

07 Ford Edge: battery and alternator problems

Replaced alternator, fuses, temperature control sensor, the plug that goes to the alternator and battery. The battery light comes on a few minutes after crank. We check the voltage on alternator and ...
Tessa S.'s user avatar
2 votes
1 answer
438 views

2016 VW Golf won't turn on

I have a 2016 VW Golf that I can't quite turn on. This morning, I stuck my key in the ignition, and the lights on the dash popped up like normal. As soon as I turned the key, everything went off, I ...
Des's user avatar
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0 votes
1 answer
59 views

02 Honda civic LX battery drain

Put a new alternator in and it's charging I believe I took the negative cable off and it said running but while driving is sputters dies out and then especially when the Sun goes down when it's ...
Eric Herrington's user avatar
1 vote
0 answers
54 views

2009 Jaguar xf 2.7 diesel battery issues

Car wouldnt start this morning and battery reading 11.66 v on the multimeter so time for a change I think.Looked to see the age of the battery and found this inscribed on the top of the battery.......
macaverty's user avatar
2 votes
1 answer
207 views

very old battery but healthy - replace?

the battery in my vehicle was manufactured in the 41st week of 2017. I've never had any issues with it. In my online research, many sources say batteries last from 3-5 years, which would make my ...
machump's user avatar
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0 votes
0 answers
219 views

Long crank time when engine is warm/after car has been driven

My car has about 155,000 miles and it's a Toyota Avalon 2008 V6. A few months ago, my battery died and I got it replaced at AutoZone (by someone who, I found out, wasn't qualified). My car sounded ...
Narges's user avatar
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2 votes
1 answer
1k views

Fully charged battery won't start engine

I have a Triumph Street Twin Motorcycle (2016) that has generally low milage and running well over the years. When trying to ride recently the bike stuttered and engine didn't kick in, after a few ...
Tom Good's user avatar
0 votes
1 answer
43 views

Why doesn't my chopper have electrical power?

I have a Custom Chopper with a 1992 1340evo, my voltage regulator rectifier came unplugged from the starter. I plugged it back in and it started and ran. The next day, I started the bike and it ran ...
Chuck Andrew Leichliter's user avatar
0 votes
0 answers
54 views

Hard to restart motorcycle after 30 min trip

My motorbike (Triumph Street Triple R 2013) has an interesting issue. When measuring the battery, it constantly is over 12.7v or even higher. And it starts the engine super well when cold. The problem ...
Vitor HPepz's user avatar
2 votes
1 answer
138 views

Subaru Crosstrek sat for 9 months, jump started fine, then died after 5 minutes

I have a 2019 Subaru Crosstrek. I was out of the country for 9 months so left it garaged. I just got back and tried starting it. It jump started immediately which was great. I let it idle for a few ...
David Watson's user avatar
3 votes
1 answer
279 views

Help Needed! My vehicle (2015 Nissan Sentra) is not starting after Brake Job. - DIY

After doing brake job, both front Disk and rear drum, I have tried starting the vehicle but it's not starting. haven't faced this issue previously don't know what's wrong. It seems completely weird. ...
Akhil Surapuram's user avatar
0 votes
0 answers
116 views

I have Honda Accord 2018 Touring , Navigation Display Screen not working

I have Honda Accord 2018 Touring, my brother mistakenly reversed the connections to the battery terminals and now the the Navigation display screen won't power on.
Matthew's user avatar
0 votes
1 answer
269 views

Would using a bolt be sufficient to close any loose battery terminals?

One of my battery terminals was too small and the cars battery clamps do not fit tighlty , a mechanic then placed a bolt inbetween the gap and it tightened, would this work provided the bolt is ...
James Wilson's user avatar
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1 vote
2 answers
234 views

2019 Mazda CX3 with start/stop engine, is a special "start stop" battery needed?

I have a generic 60Ah battery in my car. It seems to work fine. Was installed by a kind of semi-shady shop, but has worked fine for over a year. A more "reputable" shop looked at it and said ...
Jonesome Reinstate Monica's user avatar
0 votes
1 answer
82 views

Please explain this no crank no start

hyundai coupe 2l 2006. Car was idle for a while then sent for a service and in addition to service garage said battery was drained so they changed it. After taking the car back I noticed the car would ...
James Wilson's user avatar
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0 votes
0 answers
93 views

VW Polo battery question

My (VW Polo SE TSI Mk5, 2015, 1.2, bought secondhand) car just had a new battery fitted (EFB for start-stop cars) and on checking the battery voltage with a multimeter at idle (engine on, car ...
Nobilis's user avatar
  • 101
1 vote
1 answer
38 views

2011 RAM 1500 Trouble Starting

I have a 2011 RAM 1500 Laramie 5.7. Within the last 6 weeks I replaced the battery. After I did that my truck would fail to start on the first few turns of the key. When I turn the key I hear the &...
Painted_Saint's user avatar
1 vote
1 answer
5k views

How many CCA is too little and indicates the battery needs replacing

My mechanic said they tested my battery and saw it has 366 CCA. The label on the battery says it has 500 CCA. The battery is about 4 years old and the warranty is 42 months so it's outside of ...
Classified's user avatar
3 votes
1 answer
343 views

2015 Kia Forte Intermittent Low Voltage Occurrences - P0562

2015 Kia Forte I’m hoping people can throw some ideas to this one, we are really struggling to pinpoint the issue. Many thanks in advance. Issue Summary: Intermittently, while driving, my car will ...
jenhil34's user avatar
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1 vote
2 answers
541 views

Understanding the battery report on my vehicle

Had two questions about a battery report I received on my vehicle. The technician suggested I drive my vehicle more. I was hoping to understand why the report made him think that. The battery is ...
pmagunia's user avatar
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