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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2answers
186 views

EFB vs AGM batteries for a start/stop car: which is better and why? Can / should I replace EFB with AGM?

I need to replace an EFB battery in a start/stop car because it doesn't hold the charge - the battery is at 12.3V after 3 days and at 12.1V after 7. My questions are: Is it always possible to ...
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142 views

Why do EFB and AGM start/stop batteries need registering / programming? How does that work?

I understand that EFB and AGM car batteries, used in start/stop vehicles, need some kind of registration or programming when they are replaced. Is this always the case? Can you skip this step if you ...
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25 views

What is the AC Delco battery manufacture date [duplicate]

AC Delco manufacture date of P 030 R. I understand that the 03 means March, but does the 0 mean 2000 or 2020? Thanks
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50 views

Can you charge a car/motorcycle battery with a portable power generator?

Can you charge a car battery with a portable power generator? Say you have a lithium, not petrol, generator, something like this or this, which you can charge in the electrical socket at home. If ...
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Renault Modus 1.4 drains battery - whirring noise suddenly begins after 10 days not moving, engine cold, all switched off

I left my car parked up (Renault Modus 1.4) and did not drive it for 10 days (in 'lockdown'). Then one evening I heard a whirring noise in the engine (after 10 days quiet, totally cold and switched ...
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44 views

2011 Ford Mustang Gt “Check Charging System” light after changing alternator

My mustang started showing a code for "camshaft position sensor" so I replaced it. 1 day later, it came back on, same sensor so I started doing research. Everything I read said it was probably the ...
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122 views

Alternator: amperage when charging a car battery (and time to charge)?

What is the amperage of a typical car alternator when charging the car battery, and how long would the alternator take to charge it (let's take a 60Ah battery as an example)? I have seen multiple ...
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1answer
144 views

Car battery charging: a few questions on connecting negative clips to ground (which I couldn't find anywhere)

I understand that, if charging a car battery without removing it from the car, you should attach the negative crocodile clip not to the negative of the battery but to a metal part of the car; most ...
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151 views

Shall I disconnect an EFB start/stop car battery before charging it?

I have a 64Ah EFB car battery in a 2018 Volkswagen car with start/stop technology. I have an Optimate 5 charger which supports EFB and AGM start/stop batteries:https://optimate1.com/om5ss/ I would ...
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1answer
52 views

Ok to leave Honda Jazz without a battery installed?

We have a 2009 Honda Jazz, which we're not using at the moment due to coronavirus restrictions. We're planning on taking it for a 15-20 minute drive once a week to keep it going, as advised in this ...
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48 views

How is alternator directly connected to vehicle electronics?

I've tried a lot of research but I can't find specifically what I'm looking for no one has actually mentioned this and I've looked at various wiring diagrams which still don't prove how this is ...
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1answer
29 views

Should I worry about the battery performance when not using my Xiaomi M365 not being used for a long time?

Before SARS-CoV-2 hit the world, I use to regularly ride my electrical scooter (Xiaomi M365) for commuting. Due to the epidemic the country entered an emergency state and we are all forced to sit @ ...
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1answer
28 views

Diagnosing alternator or starter on a 16 Chevy Cruze LT

how do you know if it's the battery starter or alternator in a 2016 chevy cruze lt when i started the car it sounded like it wasn't going to start also not sure if it's related but i had to get a jump ...
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19 views

Citroen c4 2013 1.6 hdi

Recently changed battery on c4. Still had electrical circuit fault showing on screen. Car worked for a few days but then I went to it one morning and the rear windscreen wiper was working but not ...
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2014 Cruze lt won’t start. New battery, New starter?

Went to jump start car after sitting over night lights and wipers came on. Heard 5 clicks and engine wouldn’t start. After 45-60 seconds with jump car shuts off completely. After replacing the starter ...
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1answer
79 views

Charge car battery with a table top PSU

My car's battery got flat and the car doesn't start any more. I have a table top PSU rated for 0-15 V, 3.5 A max and 1.7 A continuous, and would like to use it to let the car start again. The battery ...
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1answer
804 views

If car starts and cuts out after 10 seconds, does that mean its definately not related to cca?

If a car starts I assume it means there is enough cold cranking amps to start the car. Therefore if it cuts out after a few, 10 or even 30 seconds it means the cut out problem is definitely not ...
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41 views

2000 Toyota Corolla will not start until hitting battery terminals

I have a 2000 Toyota Corolla which started to display a symptom during cold weather (-20 - -30 C) where you would insert the key, turn in partway, activate the internal electronics, and then turn it ...
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1answer
75 views

What damage can I cause by plunging a car battery section hole with wine cork?

I have lost one of the plastic screws on my car battery. Since they are not a part that is being sold, my options were limited to buying a new battery or to become creative. I took a wine cork (...
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2answers
377 views

Applying Silicone Grease to Battery Lugs and Cable Before Shrink tubing?

I've habitually applied some 'liquid tape' then some spray-on silicone grease after connecting battery terminals. This seems to work within a flooded-leaded batteries life cycle providing you can keep ...
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1answer
67 views

Jumping a car and attaching cables after starting donor car's engine

I was jumping my friend's car today in a place with no cell phone reception. He argued that the jumper cables should be attached after starting the donor car's engine. He said that it would decrease ...
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1answer
41 views

Can low battery voltage cause brake noises? - 2006 Civic

Driving a 2006 Honda Civic, right rear brake makes a clunking noise under medium to high braking. It sounds like the ABS but doesn't have the pedal pushing back like ABS does. Went to my usual ...
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37 views

Why won't my car start? (Starter has recently been replaced)

I should preface this post by saying my car has had issues starting for at least a few months now. It is a 1996 Nissan Maxima and it has well over 100,000 miles on it. I have had very little problems ...
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19 views

Battery problem in Activa I with in 3 months

Within 3 months Activa I getting battery problem, if Activa not ride for 3 days it's ideal for 3 and more days it's not getting started without kick. It's irritating ,worst scooter . Previously I used ...
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1answer
35 views

My car battery can't be charged while driving, is this a problem with a bad generator?

The battery voltage started with 13 volt and dropped to 12.1 volt after driving the vehicle for a few days. I thought the battery should get charged while driving. Is there a problem with the ...
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2answers
141 views

Should dual battery negative terminals be connected?

I have a main battery connected to the positive terminal to an isolator to the positive terminal of a battery in the rear. Half the diagrams on the internet complete the circuit and connect the ...
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1answer
128 views

How can I prevent, slow or reduce white corrosion build-up on my battery?

I have an 02 Civic SiR (Canadian model) with a maintainable battery. I check and refill the electrolytes every few months with distilled water. The battery is about 4 years old. I use a Battery ...
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3answers
185 views

Car battery booster/jump starter. Are they worth considering at all?

I have a Civic which I don't drive often and mostly sits in my building's underground parking. The battery has again discharged on me. While I have jumper cables and know how to use them, I have to ...
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5answers
2k views

When jump starting a car, can I attach the negative cable for the car with the dead battery on its body?

I have seen a few videos saying that there is a risk of getting an explosion because of hydrogen igniting if you attach the negative cable to the negative terminal on the car with the dead battery. ...
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1answer
43 views

Wiring electric helmet directly to snowmobile battery

I have an electric snowmobile helmet with a RCA plug and not instructions. The black wire has a connector for the screw terminal on the battery, but the red wire is bare. What do I connect the red ...
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1answer
148 views

Starting diesel car on low battery

I am going to try starting my car after long time standing in the street (month). I know batter will be in poor condition. What is my best chance to start the car? My car has some sort of engine ...
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1answer
31 views

How could a battery issue lead failures in ABS, Cruise control, stop-start, etc?

We have a 2014 VW Golf (diesel automatic) and recently we have started getting sporadic "christmas tree" errors when starting it. A few seconds after starting the engine, we get error after error ...
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82 views

Charge a car battery with a solar panel that only has USB outputs

I currently have a solar panel (this one), that is able to output 24W of power at peak capacity. I would like to be able to use this solar panel to trickle charge a car battery, but the panel only ...
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3answers
84 views

Can I use a higher powered battery?

I have a 1999 civic and a 2006 hyundai coupe. civic battery is discharged and just for testing purposes Im thinking why dont I put the hyundai battery in the civic and see if all is well then I can ...
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3answers
84 views

What is the simple way of recharging a discharged battery?

My battery is showing 11.5 which I believe means its discharged. I'm not sure how to recharge it. Will simply using jump leads from another car and running the second car for n minutes cause the ...
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41 views

Why has battery volts power gone lower and does it sound like the battery is my problem?

I previously asked this question Can low battery cause car to cut out? . sorry I don't know how to link. I have cleaned the terminals with baking soda and vinegar and initially the car ran for 1 ...
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1answer
68 views

Can low battery cause car to cut out?

Honda Civic vti 1999. Car starts and cuts out immediately. On a few occadions it has started on stayed on for longer e.g 30 seconds to 1 minute but it still cuts out again. The battery is showing 12....
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1answer
75 views

Using a device with external power and receive data from the CAN bus

I want to keep a device in always on situation in the car. I do not want the device to drain the car battery. The car is used at least once in two days and the current consumption of my device is ...
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5answers
2k views

Could corroded or incorrectly soldered battery teminals cause parasitic drain?

One of my friends has a 2007 Lincoln MKX that's been having some electrical issues lately, the battery drains to dead overnight. It's been looked at by several people (including dealership), the ...
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3answers
32 views

Strange electrical issue with 2001 Civic

I have a 2001 Civic, manual, and I began experiencing an odd electrical issue, I’m hoping someone might have some insight. This is a bit long, so I apologize in advance. Roughly a week ago, my ...
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39 views

What is wrong when the car dies after you take off the jumper cables on a 2013 dodge journey?

What is wrong when the car dies after you take off the jumper cables on a 2013 dodge journey?
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1answer
77 views

Check Engine light came on, turns out, i had a bad battery but it threw a bunch of codes?

Okay, so I drive a 13 Hyundai Genesis Coupe 2.0T. Last night my check engine light came on. I took it to advance auto today to have the code read. It threw a bunch of codes which were Throttle ...
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1answer
50 views

Attempted to jump my car, it turns over and starts but then shuts off?

I was unable to drive so my 2006 Honda Civic sat idle for a little less than 3 months. We attempted to jump start it and while the cables were connected the dash lights came on, the headlights would ...
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21 views

Electrical failure [duplicate]

While fitting a new battery for the old one I erred by placing leads in the reverse order, when I corrected my mistake I found when i try to start the car all switch off for a couple of minutes, when ...
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1answer
36 views

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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90 views

How to charge a 2nd car battery from the car?

I'm going on a camping road trip and need to power my CPAP. Instead of running one long cable from the car, which has its own issues, (dead battery/car, shorts, tripping) I want to get a 2nd car ...
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1answer
54 views

What battery should I use on a rarely used vehicle?

I own a 2001 Toyota Camry that I rarely use. I only drive once a month or so, but can go two or three months without driving at all. Considering the tendency of a SLA battery to die when drained is ...
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1answer
115 views

Battery drained 10 amps with key in the dashboard - what can it be?

Old Honda Civic hatchback 1.4i, manual gear, air conditioning. No longer starting (see below the history). I noticed that with the key off or in the dashboard in position I there is a small 40 mA ...
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1answer
42 views

Total Electrical failure Mondeo 1.8tdci 2008

While charging a flat battery all on the Mondeo all of the electrics failed (lights, dash, not starting, Windows, ect) when I installed a new battery on the Mondeo still nothing. Any ideas on what ...
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2answers
83 views

Frozen maintenance free battery

I have a frozen maintenance free battery with a life of 14.5% life according to my dashboard display. I really can't afford to replace it at this point. I had it boosted and let it run for a half hour ...

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