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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11 views

What is the average E95 consumption of a little car in traffic congestion?

If my little car consumpt 7L/100 km in a highway at 100 km/h, how can you estimate the numbers of L/100 km in a real big traffic congestion with several red traffic lights ? It is a Citroen C1 for ...
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43 views

How to diagnose if battery is faulty or alternator is faulty

Little Background: I own 2016 Mazda CX-5, battery that came with car was not holding the charge for long, so after some research on which battery to replace it with, I decided to replace it with ...
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Lexus CT200h “stuck” in neutral after accident

I bought 2018 Lexus CT200h with slightly damaged front and it won't shift into Drive or Parking. After I push Start button it shows me that the car is in Neutral. Trying to put it into Drive or ...
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Is it possible to repair a newer lithium ebike battery with freezing damage?

I leant my bike to a family member, and he put it out of use for the winter. Unbeknownst to me, he left the battery outside in -40°F weather all winter. I came to pick the bike up this following fall ...
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Can a battery get overcharged/how to prevent it?

When charging a battery with a charger or using no charger and putting one battery on another battery can the low battery or both batteries get overcharged in some way? What will happen to the ...
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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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34 views

If driving doesn’t recharge a battery is there any point putting it on a charger?

Using a charger I managed to bring battery up to 12.18 volts or so. The car is starting up now and running however I notice on starting the battery falls below 10 volts(8.x or 9.x volts) and then ...
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31 views

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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50 views

Is iPhone draining car battery?

If you plug your smartphone into your cars usb cable which is part of the stereo system I believe, I guess it’s charging itself whilst plugged in. Obviously you should not leave it in accessory mode ...
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158 views

Will disconnecting battery lead to remaps being reset?

Civic Coupe VTI 1999. If car has been remapped, will disconnecting battery for a long time cause any remaps to be reset?
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What factors can make a battery appear better or worse than it is?

With regards to better, I know surface charge is one so best to leave it for a few hours and check. Not holding your multimeter properly. Would the battery being connected to switched off car cables ...
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41 views

How many volts would a battery with a dead cell show?

I read that a battery with a dead cell would not charge above 10.5 volts? However if each cell is 2 volts wouldn’t it be more correct to say a battery with a dead cell will charge up to anything ...
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Why is isolated car battery losing charge so quickly?

Battery had been left no start for months until I found it at 0.45 or so. Used a charger after an entire day it got to 2.95 volts. Then connected jump cables to the isolated battery and revved it ...
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Why did car just overheat and aftermath?

Hyundai coupe 2006. I tried to recharge a deeply dead battery by attaching jump wires from donor car directly to terminals of isolated battery(not in car). I kept the donor car constant at 4000rpm for ...
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I can still honk or turn on radio when my car is completely switched off. Is it normal?

My battery drains over two or three days. I have a chevrolet evanda 2005
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77 views

Is it safe to drive a car without fixing battery in place

I was trying to change my battery but I overturned and broke the bolt that connects the rod to the frame which fixes the battery in place. Now I need someone to remove that broken bolt and give me a ...
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55 views

Will a battery with low amps work on a car which usually uses more amps?

I previously asked this question Can I use a higher powered battery? And seems everyone was saying it’s fine since both batteries are 12 volts. Though people mentioned if the car had lower cca it ...
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80 views

Bad alternator, or just a regular dying battery?

The battery in my car is dead, and I'm not sure whether it's the alternator's fault or just the natural death of an old battery. Vehicle: '04 Honda Accord. The alternator was replaced 4 years ago. As ...
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44 views

Can a dead battery be charged by directly connecting jump start leads to it?

I know you should be using a chArger and not jump leads as this can affect alternator etc if donor car. But still want to understand. If I add the jump cables directly to isolated battery terminals I....
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Tipping battery upside down or it’s side?

I have a battery that’s needs replacing but decided I would use the battery from my second car and put it inside because I’m thinking of selling it as is and just wanted to do some diagnostic work. I ...
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Affected sensors when boosting another car

I own a 2017 Kia SUV and periodically I'll give my neighbor a boost on their 2002 Liberty Jeep periodically, maybe once or twice a month, until they buy another battery. So I noticed a couple of times ...
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Trying to Charge Honda Fit 2015, Car's Headlights Flash Once Charging Starts

I'm not a car person at all, so thanks in advance for any help! My wife's 2015 Honda Fit hasn't been used for months (thanks to Corona). I'm trying to use a Schumacher SC1307 6/12V Automatic Battery ...
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36 views

Can I use a 100AH battery instead of a 74AH battery in my Passat 2.0TDI, 2012

I want to use a 100AH battery instead of a 74 AH battery in my car
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50 views

Will jump starting a car work if starter is not working?

If starter is not working, will jump starting a car work?
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Engine hesitating to start when clutch pedal is pressed

Recently I started noticing a weird problem with my car (Maruti Alto LXI 2009, Manual petrol with carburetor) that when I press the clutch pedal and the car is in gear it hesitates (it cranks but not ...
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Cause and fix for craftsman lawnmower catching on fire near battery - under seat?

Replaced battery in craftsman lawnmower 42" deck rider model 247203744. Started up fine. Rode it for about 20 minutes... boom caught on fire under the seat by battery. I am thinking the ...
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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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Car won’t start

I have a 2008 Pontiac Grand Prix, I try to turn it on and I will hear a clicking noise, the horn will go off as well as the windshield wipers. My steering wheel gets stif as well as the brakes. The ...
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23 views

Car won't start when it's a little cold outside

I have a Mercedes A140 (2001) and the engine won't crank if the battery is "cold" - around 10 Celsius. Yes, the car starts just fine after I've heated the battery indoors. I've tried other ...
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2006 Honda Civic EX turned off wouldn't start, all lights work and windows but only clicks when ignition is turned over

Put new alternator on an the key has a chip but, the key was taped kind of when I got it. I just recently got the car an the person I got it from said it been sitting a little while. Dad she an her ...
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Replace Massey Ferguson 360 tractor battery

I've been looking for online resources on how to replace a 2018 Massey Ferguson 360 Tractor battery but could not find anything useful. We tried to do it ourselves by opening the side panel towards ...
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Honda Civic won't start (2017)

I have a push button start. When I push it the car doesn't start. Brake pedal seems hard to push. Warning lights flash - I.e. brake system, stability control, restraint system, electric power steering ...
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73 views

Picking proper battery type for car with dashcam

My car has a 55D23R battery rated for 356 cold cranking amps (CCA) as recommended by the manufacturer. I installed a Blackvue DR750S-2CH dashcam which has a parking mode. The parking mode allows the ...
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Is this an original battery for a 2010 VW Golf6?

Can someone tell me if the folowing battery could be the original for a 2010 VW Golf 6. And what is the production date?
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Battery drops to 10.5 volts after charging

A few days ago, my 97 Corolla had trouble starting. It cranks but doesn't start, maybe due to a problem with the carburetor. Figured I might discharge the battery, so I stopped my attempts at starting....
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Can one slightly charge a dead car battery with a portable battery jump kit?

The other week, my friend was trying to jump start a friend's very dead car battery with one of the portable power bank car jump starter kits. It looked something like the below: Image source If I ...
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Does battery tender need to be in enclosed area?

I have a 2009 Winnebago Access motorhome that is rarely used. I had a battery tender but it stopped charging the battery. I purchased another tender & enclosed it in a small plastic storage box. ...
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63 views

How to keep a new battery in a car from dying when I’m not driving it at all?

I haven’t driven my car almost at all in 4 months. About 2 months ago, it wouldn’t start, and it had a really old battery that needed to be replaced anyway, so I got a new one put in. Now, I stupidly ...
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53 views

Battery voltage drops to 0 when high load and then recovers

Morning. I took the car to the mechanic for a bearing change and to change the airbag clockspring. The mechanic told me he would see if the car has any electrical problems before changing the ...
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AM6 charging problem

I have an Aprilia MX50 (2004) and -although the engine runs perfectly- the charging voltage is low (around 4-6 V and it should be 13-14 V). I tried with another generator (the flywheel was still the ...
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AC Delco | Should this be worrying me? The battery is just 9 months old

Should this be worrying me? The battery is just 9 months old.
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Car goes silent when I turn the ignition key

I have a 1970 Chevelle. The last few times I have tried to crank the car, I had to jump it off. I charged the battery and this time when I turned the key, the dash lights came on then as I continued ...
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3answers
90 views

Maintenance - Battery charging under abnormal low-usage conditions

Background Due to the recent coronavirus lockdown, my car hasn't been getting the mileage it's been used to. For reference, it's a 2007 Mercedes E280, with the 3.0L 6-cylinder turbo-diesel & 7-...
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Car Battery Charging Current & Car Battery Confusion

Confusion Regarding Car Battery and Charging Amps What is charging current in Car Battery : If both the battery’s have Ref Capacity - 68, But 1st Battery has a Charging current of 4A and the 2nd ...
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3.8l v6 Mustang 2004, randomly won't start but disconnecting and reconnecting the battery works

This problem has occurred 3 times now, so it is a running trend. Every time it occurs, it goes like this: I get in the car, insert the key, push in the clutch, and turn the key all the way to start. ...
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63 views

Car battery Confusion

The Battery provided to me in with the car is 60 Din (Ref C20 Capacity AH : 60, Charging Current A : 4) I’m looking to change my battery as its old and giving issues. The one which I want to go for ...
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When jumpstarting a car from another car can one connect the chassis of one car to the chassis of the other car? [duplicate]

When jump starting a car A using a car B, can one connect the chassis of both cars together instead of connecting the negative battery terminal of car B to the chassis of car A. In theory this seems ...
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Brand new lead acid car battery reads only 12.33v. Is it faulty?

Yesterday I purchased a brand new, maintenance-free, 12 volt lead acid car battery. Specs: 47Ah and 450CCA. Before I install it in my car, I measured the voltage with a catIII digital multimeter. It ...
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21 views

2011 Lexus RX replace with smaller-than-OEM-dimension battery

My vehicle is 2011 Lexus RX, and I replaced the new battery at https://www.amazon.com/gp/product/B000MS9VZK/ref=ppx_yo_dt_b_asin_title_o05_s01?ie=UTF8&psc=1. The new battery dimension is smaller ...
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63 views

Battery backup for radio

Hello all looking for some advice on a stereo I am building for my house. I have a car stereo, amplifiers and speakers, all powered by a 12 volt power supply. Everything works great, except I loose ...

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