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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49 views

Brand new battery sitting for 3 months, doesn't hold charge anymore

I have a 2017 Toyota Yaris Hatchback. The car had some cranking issues. I did a cranking voltage drop test (dropping to min 7v when cracking), it seemed like the battery was done. I replaced the ...
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How to hook up wireless charging pad to battery of my motor (Honda CBR500R 2020)

I want to hook up the following wireless charging pad in combination with my RAM mount X grip to my motorcycle's battery. I am a complete noob when it comes to this electronics. How can I make sure I ...
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"Remove the negative cable first" -- how important is this advice, and why? [duplicate]

To my understanding, the reasoning for "remove the negative cable first" is that if the positive terminal is exposed and you somehow make contact between the positive terminal and any metal ...
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Gen 2 Prius hesitates ... Is there a problem with the HV Battery? [closed]

Is there a problem with the HV Battery? Gen 2 Prius hesitates.
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My Alternator Case to Battery Negative is reading 12 vdc and same for the Case to Positive side

just had tranny replaced last week. The alternator that was on the car had been replaced in May of this year. I drove car for at least 1000 miles since the tranny was replaced. But, last night the ...
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73 views

How modern electronic parking brake works? Do they consume power when parked and car is off?

This might be a stupid question, but lately I've been asking myself this question and couldn't find an answer on google. How modern electronic parking brakes work? Do they consume power when parked ...
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56 views

Car Battery left sitting over winter, wont hold a charge

2009 toyota matrix has not been driven regularly since 2019 when it got a new battery. Since then we have removed the battery and stored it indoors (not on a trickle charger) for winter then in the ...
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2012 ford focus battery drain

I Have 2012 ford focus 1.6 ti vct i recently encountered a battery drain and vehicle is making unusual noise in the dashboard on the passenger site. and i did send the vehicle to a dealer for scanning ...
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How to fix fog lights not working?

Hyundai Tucson 2013 GLS 4DR My fog lights are not working, and I don't remember them ever working, basically I never required them. I attempted a number of things, but nothing seems to work :( the ...
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Discharged battery on bike, should it be replaced?

So my bike was sitting idle for over a year in a different state since I moved back to my hometown due to covid. Unfortunately, my friend doesn't know how to operate a bike so there was no way for ...
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Can I Jumpstart with pos terminal broken

How can I jumpstart my car so I can get home to fix it. My only option is to jumpstart it . I’ve got jumper cables and AAA coming over
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How to test a battery the alternative way?

Aside from buying a battery tester, is there any other way to check it? I presume under full load with the engine, lights, etc.
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At which voltage is battery dead? [duplicate]

I have not driven my Tacoma 06 for a year, because of a mechanical issue I need to work on, and when I tried to turn it on, it wouldn't start and there would be no noise at all coming from the starter....
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Battery charging?

My car battery died last Monday and it’s been a week; I’m trying to get it to charge using a noco genius portable battery charger but nothing comes on in my car, no sound lights or anything. Will I ...
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How to check GN 125H battery

GN-125H haven't battery indicator and not a kick starter. How to know battery status. How to know battery was in deadline.
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Date of Mfg for an AC/Delco Batter [duplicate]

Just prch'd an AC/DEL 65GHR160 battery. It doesn't seem to follow any of the conventions in spelling out mfg date. The small sticker on battery top shows: G041P & below that 045184. Heat ...
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2012 VW Jetta SE battery cables hooked up wrong

my boyfriend hooked the jumper cables up backwards the electric systems lit up then went black and something started to smoke near the battery we have since had trouble with the battery keeping power ...
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1answer
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1995 Accord Ex Battery keeps disconnecting

So my battery keeps disconnecting, and has been for a couple of days now, resulting in the lights on the dash lighting up for a brief moment and then turning back off and not the car not starting. The ...
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How to decode Exide ups battery 4TL L 276612 [duplicate]

I bought a UPS Exide battery with serial no 4TL L 276612. How to find out the manufacturing date & year?
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1answer
37 views

Safety around permanent trickle/float charger connection for car battery

I rarely use my second car, as a result, the battery often drains too much by the time I need it. I have a slow charge battery pack which works if I want to wait a while to get to the minimum level to ...
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Car Idles Really High Sometimes

I have a 2002 Ford Explorer 4.6l V8 (Automatic). I have this issue were randomly my car will idle high. I start it up and the rpms go to 2500 and eventually get down to 2000 which is a bug jump from ...
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My battery exploded and made a hole in some plastic in the transmission and now I have water in my transmission

I've been out of town for a month. When I got home last week my 2018 Ram Promaster city van (2.4L 9 speed auto) with 20k miles would not start. I had full power for lights. When I opened the hood I ...
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My Jeep Wrangler won't start

My Jeep Wrangler 1995/4 cylinder/manual was stored for winter and I tried starting it today. It did not start and just made continuous clicking noises. When I jump start using my daily car it is still ...
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What happens if the main battery gets connected backwards?

2008 Mitsubishi Nativa (Pajero?) now no power coming from alternator after my experienced mechanic hooked up the car's battery backwards. He saw the spark he said but didn't register as he was ...
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Ford Focus DCT Acceptable Grounding

On a 2012 Ford Focus with the Dual Clutch Transmission, DCT, with a Fluke 75 Digital Volt Meter, battery disconnected, I initially read 2.6 ohms from the battery negative cable, past the negative ...
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Bought a brand new battery. Tested at only 5.79v

I bought a brand new battery at Walmart today. Only because the old one died a block away and at 9pm. I installed the new one and nothing. I tested with my multimeter and it read only 5.79V. How is ...
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Leaving Nissan Qashqai (2016 plate) inactive for 2 months - What about the battery? [duplicate]

I own a 2016 Nissan Qashqai. We're planning to have long-term holidays (2 months) in the summer and I was wondering what I can do to prevent the battery from going flat. The car will be parked on the ...
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32 views

Help with Broken battery cables

My daughter recently bought a 2003 Grand Vitara and the positive battery cable appears to have broken off. Would appreciate some assistance with identifying what part we need to purchase/replace. It ...
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Key stick Dead Battery Buzzing sound

2008 Chevy Cobalt ... Just got done driving the car. Put it in park turned it off. Then tried restarting it right away. It wouldn't start. It started making a buzzing sound. The key was stuck in the ...
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Portable Jump box won 't hold charge

I bought a Black & Decker 700amp portable jump charger for my car, and did not use it for a couple of months (not that long really), and then when I went to jump start a vehicle it had no charge. ...
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How much electric power does my truck consume?

I have a 2011 Nissan Frontier Pro-4x. I want to get a general idea how much power I could draw from my alternator while driving. For that, I want to find out how much power my truck uses in the first ...
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614 views

Renault clio snapped bolt removal?

I have a 2002 renault clio. Due to the recent lockdowns I have not been driving anywhere and as a result my battery wasn't in use. I now need to replace the battery so went about removing the old ...
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Does the third "ACC" or accessory wire of this GPS need to be connected to 12V for it to charge?

I asked this question on the Electrical Engineering SE. They essentially said it's too automotive for that SE. I'm thinking of hooking up 18 VDC to the red and black lines. Does the orange line need ...
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39 views

Can a faulty alternator trigger the Check Engine light?

I have a 2010 Toyota Corolla S. Couple of weeks ago while driving my battery light came on. I replace my alternator after that. That battery came on again after 2/3 days. I took my car to a different ...
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134 views

Haven't driven my car in over a year, how to get it back up and running again? [duplicate]

Since the start of the pandemic lockdowns and with everybody working from home, I haven't had a reason to use my car and it slipped my mind to take it out every once in a while. So, now the car ...
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1answer
59 views

can I trickle charge a spare car battery (located inside the car) from the cigar lighter port while driving?

I keep a car parked in a lot in another state. I get out there every few months or so. The battery under the hood sometimes is dead due to the small system draws while the vehicle sits idle for a ...
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1answer
63 views

What is a point of contact to measure the live (red) electric cable?

The car starts fine in the morning. Since the battery has signs of leakage, I remove it in the afternoon, and put a new one, with a factory sticker indicating it was made two months ago. There is no ...
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1answer
40 views

Battery drain, even disconnected

So, I have been having issues with the car starting of late. Battery died randomly, got RAC out said battery was fine just dead. Jumped it and all was OK for 2 weeks. Then awake to it dead again, then ...
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What is the difference between a top and side post battery?

I'm looking in to getting a battery analyzer and whilst looking through the manuals, I came across an entry where you have to tell it whether the battery is side or top posts. What difference does ...
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1answer
33 views

VW EOS ESC Error message

My VW 2015 EOS works great but since my last tire rotation, the ESC Stabilization Control Error appears while drive on dry roads at a constant speed. Engine slows, cannot accelerate. Must pull off ...
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38 views

My car battery light is on

I have a 2010 Toyota Corolla S. Today, after driving around for 15 minutes, when I parked, my battery light came on. I took it to Autozone. After checking my battery and the changing system they said, ...
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37 views

Car won't start and makes loud grinding noise when attempting to start it, video attached

2012 Infiniti G37x, Attempted to start it but it makes a loud grinding noise and doesn't start. The lights and the interior electricals are working. Haven't driven it in 2 weeks but it started just ...
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1answer
172 views

Does a car battery's acid dissolve nitrile gloves?

My battery has some liquid spill on top and on the sides. I didn't touch it, but I assume this is sulphuric acid leaking, and not any kind of oil. Does sulphuric acid dissolve nitrile gloves? Could it ...
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Most Dash Lights (and Gauges) Turn on and off Periodically before Car Shuts Off Completely

Alright, I'll try to keep it snappy. 2005 Chevy Express 3500 4.8L V8. 130k miles. Most dash lights would turn on and gauges would go dead for a couple moments and then come back periodically. It's not ...
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MotoMaster Eliminator 1400A Booster

I have one question about charger booster. I have MotoMaster Eliminator 1400A Booster bought in 2014. I think its battery is dead, because it does not boost the car even when it is fully charged. Can ...
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43 views

Can an OBD2 tester do a battery load test?

This Autophix device device was suggested by a review as the best of five battery testers. The text implied that includes testing cranking amps. But it can only connect to the computer—has no way to ...
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Why wont my car start

96 Chevy astro van My blower motor resistor shorted out and I replaced it. a test says my battery and alternator are good. I can still jump start my car. but it wont start otherwise. if i jump the car ...
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62 views

Car that I drive regularly has flat battery, bad alternator?

A car that I pretty regularly drive everyday has just had it's battery run flat. I had just got back from a 30 minute drive and 10 minutes later tried to turn it on and it just kept cranking like a ...
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1answer
45 views

Left car battery "tipped" for a few months--is it safe to use?

A few months ago, I bought a new car battery and stored it sideways (silly me!) There's been a fair amount of leakage, which I've cleaned up. Is the car battery safe to use in a car? Is there some way ...
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43 views

Troubleshooting of Battery vs Alternator

it's been a while! Hope everyone is well. This might be kind of a dumb question but here we go: My car's battery light turned on a few days ago, then suddenly went off one day when I rode the car to a ...

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