Questions tagged [battery-drain]

A loss of electrochemical potential between positive and negative terminals a car's battery, creating a loss of power, sometimes to the point of being unable to start the vehicle.

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Car battery drainage

I own a 2007 Ford Focus SE 2.0 My question is would you happen to know the reason why my battery (which is brand new) is always dead. I constantly have to disconnect the battery in order to be able to ...
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2019 Kia Forte has a dead battery

I tried to start my car and got nothing, the battery was reading 11.4 volts, so I waited until some people woke up to show them what it was doing, when I tried again. This is when I noticed it ...
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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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(VW CC 2010 2.0L Sport) How do you diagnose a parasitic battery drain from a fuse that controls rear window raisers and central locking system?

My 2010 VW CC is having a parasitic drain issue and I've isolated the problem to one of the fuses which is for the rear window raisers and for the central locking system. If I keep this fuse out ...
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New battery going dead

Bought a new battery for my truck it's a 1993 Chevy 3500. The battery tested good after two weeks it was dead. Every time I get into drive it I have to jump the battery. took it to a mechanic ...
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76 views

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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2003 Suzuki GSXR750 drains battery and won't start

I just bought a 2003 Suzuki GSXR750 and I keep having to replace the battery on it every time I start it. It will start maybe 4 times and run, then the battery is dead. Someone please help.
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Older cars draining battery faster

I have vw golf 2004 that needs its battery replaced. The battery is four years old. The battery the car got when it was new lasted 8 years. My dad said as the car gets older it ruins the battery ...
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Car battery won't hold a charge: can one estimate how much longer it will last? Or is it best to replace it?

I have a 12V 60Ah EFB battery in a 3-year old start/stop car. The battery doesn't seem to hold a charge. Is there any way to estimate / understand how much longer it can last, or if it's best to ...
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1answer
55 views

EFB (enhanced flooded battery) I left the lights on for more than a week because of Coronavirus

I have a Renault captur 2016 vehicle with start and stop capability, the battery is EFB 70Ah 720A, I couldn't start the engine with cables connected to another standard battery of another running ...
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62 views

What is normal 12v battery current drain in run position with engine off?

My 2002 Honda Odyssey has a weak battery. It is at the end of its expected life and I will be replacing as soon as I can. The ignition switch has the following positions: 0 - Off I - Accessories II ...
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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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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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51 views

Battery drain - 2001 Chevy Malibu

I'm trying to troubleshoot a parasitic battery drain and need help. With all courtesy lights off, key out, doors shut, I show 1.5A of draw. The battery is dead within 24 hrs. I have pulled all fuses ...
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112 views

How do electric car batteries cope with the car standing idle?

I usually drive low-mileage runs and could easily charge an electric car at home. But what happens when I go on holiday? I charge the car at home, drive to an airport, then leave the car in a car ...
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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
124 views

Is a 15 minute drive to and from work enough to keep a battery topped off?

Me and my SO were given that as the cause of our battery being randomly dead every month/month and a half. Her drive to and from work (about 15 minutes) is not enough to keep the battery from ...
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1answer
39 views

Should I replace my discharged motorcycle battery?

I have a 250cc fuel-injected Honda motorcycle, it uses a 12v 6Ah battery (Yuasa YTZ7S). Its only add-on is a GPS tracker with alarm. Recently battery got discharged (engine couldn't start), so I ...
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1answer
542 views

Can I use a lower Ah battery in my motorcycle?

Internal combustion, 250cc fuel-injected motorcycle. Original battery is 12V 6Ah (10 hr) CCA: 130A The new battery is 12V 4Ah (10 hr) CCA: 70A Should I worry for anything apart from the actual ...
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1answer
43 views

How to maintain car battery if I'm not going to use it for a while?

I own the Honda Accord 2019 model. I'll be traveling for a month, and won't be using the car. The car batteries may go dead because of this. I read that I can use a trickle charger for such a ...
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1answer
474 views

Car battery voltage always drops even after full charge

I bought a new 2019 Kia Forte last year, from the day I received it, its battery (lead-acid AGM) read a slightly low open voltage of around 12.45V. I figured out the car must have been driven on the ...
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197 views

How about how many amps does a vehicle pull at idle

Assuming the lights and stereo are off, how many amps can you expect an idling vehicle to pull? In this particular case I'm wondering about an F350, with flexfuel engine?
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How to tell what type of battery this is?

I would like to know whether it's either a lead acid wet cell, lead acid gel, or AGM battery. After reading a bit I see one method is the remove the battery and give it a shake to see if it contains ...
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68 views

Trying to Figure all this out before I spend a lot of money

I have a 2008 VW Jetta 2.5L Automatic , Recently the battery was dead and my car would not start. I charged it up and got it to turn over and let it run for about 15 min on its own. and everything ...
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64 views

Using li-ion battery on motorcycle with existing minimum current draw

I own a Ducati 848 motorcycle which is well known for needing battery tender. Most of the owners of such bikes (along with their bigger brothers 1098) especially since they are not riding them every ...
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2k views

Car battery at 11.8v in the morning and 12.5v after 20 minute drive bad?

If my group 48/H6 70AH 120RC Led Acid car battery is at 11.8v in the morning and 12.5v after a 20 minute drive is it bad? My van and battery are only 10 months old but I do frequently use the battery ...
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581 views

Emergency flashers drain the battery in 5-10 minutes

I have a 5yo Honda CRV. Recently I had two episodes when the car did not start after it was left with emergency flashers (hazard lights) on for 5-10(?) minutes. I had to ask someone to jump-start it (...
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5answers
94 views

What can cause a complete battery drain while plugged into charger?

I own an Aston Martin Vantage V8 stationed at Mallorca, which I use when on vacation. Last year, the car had a new high quality battery replacement. The car is plugged into a charger when parked in ...
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30 views

How to minimize voltage loss

I have a '79 bike that is currently experiencing voltage loss, causing the battery to die after a couple hours of riding. It is clear there is lots of corrosion and rust on many of the wires and ...
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696 views

Sudden battery voltage drop when ignition is on

I'm currently trying to figure out what is wrong with the car, but I'm not sure if a rogue drain somewhere is able to give such symptoms or did the battery just die. The voltage of battery stays at ...
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1answer
40 views

Should I use an “original” electrical harness to avoid problems?

I have a 2017 Subaru Legacy. A month ago U-Haul installed a trailer hitch and electrical kit. I used my 5 by 8 trailer (bought at Tractor Supply) happily for three weeks. Then one day the car did ...
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Acceptable battery voltage drop overnight

This is a follow up to this question that I asked previously. Since asking that question, I have kept my same commute, but have been driving consistently 30+ miles on the weekend. In addition, I have ...
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2015 Honda Accord Dashboard lights won't turn off after draining the battery

I'm a fairly new driver and I have zero knowledge of cars in general, today I made the mistake of sitting in my car with the ignition on but the motor not running, thus causing the battery to die. ...
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4answers
958 views

Minimum driving miles to keep battery charged (Honda Civic 2015)

I have a 2015 Honda Civic and I got a new battery for it about six months ago. Recently the car hasn't been starting and required jumps every morning to run. I took it to the dealership and they let ...
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16 views

My Scooter is not starting

My Scooter,Activa is not starting. Accidentally I kept my ignition on for 2 days What to do? Please help. Thanks in advance
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1988 T-Bird clicking sound when key is on

I accidentally drained my battery so I charged it and went to drive it car died when I went to drive. Now it makes a loud clicking noise and won't stay running. I don't think I put a good charge to ...
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Genesis 2016 battery Problem

Six months ago my car wouldn’t startup in the morning. I replaced the battery by buying a new one from the dealer. Now, the same problem is shown again and dealer replaced the battery for me again. ...
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30 views

Car won't start, only 3 years old

My '16 Dart SXT for the past month won't start without needing a jump if it sits for a day without being used. Starter is fine, thought it was the battery so bought a new one and less then a week ...
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1answer
100 views

12v starter battery True amps available why volts come back so fast by running engine 5 mintues?

The OEM start battery on my new van is 70AH, 120RC. I have a 12v freezer that consumes about 3amps @ 12v. It takes the freezer about 6 hours to freeze a gallon of water. My battery is not a deep ...
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2answers
26 views

Flat Battery, heath is down but charge is fine

yesterday, suddenly my car battery got flat, i was driving since one hour, i just stop on a shop and it didnt start again, i called the breakdown AA, they came and started my car, he said that the ...
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3answers
523 views

Depleted Honda Fit battery — how long to recharge, how to re-enable radio?

I left the interior map lights (driver & passenger side lights) on for about 30 hours, depleting the batter in my Honda Fit. I could barely see the lights on. Fortunately, at least one towing ...
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1answer
77 views

2004 Chevy Trailblazer, battery dies but engine stays running & other weird electrical issues

Almost all of my dash lights will come on, airbag, seatbelt, security, ABS, etc.. they all turn on, my battery light turns on, gages all go dead, radio goes dead, windows stop working, power locks ...
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474 views

Nissan Note 2012 battery drain

I have had problems with my 2012 Nissan Note (the boxy model). The battery would be flat after a couple of days, even when driving occasionally. After leaving the car parked and locked for 20min, ...
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1answer
77 views

Is there a way to reliably test voltage of a 12V battery when it's not disconnected (i.e., partly loaded)?

I'm having an issue where a fully charged battery doesn't necessarily report the proper voltage when checked from the socket within the car, because in order to have the socket activated, the car has ...
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1answer
1k views

Is a 13.07V alternator voltage too low?

I'm having some problems with a 2006 Mini One D (1.4 l diesel engine). About a month ago the alternator warning light turned on (it only turned off over about 4000 rpm). The belt looked good, so I ...
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3answers
761 views

Volkswagen golf 6 won't start after battery replacement

I have a Golf 6 which stayed in the garage for 6 months untouched. I knew the battery was dead so I replaced it with a Golf 4 battery. After a few keys the engine coughed a couple of times, then the ...
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diagnosing battery drain -ford Taurus 97 - fuse 23

pulling out fuses one at a time, i isolated the leak to: fuse 23 - leaking off-scale (> 250mA at 12V) - "Wiper system,variable assist steering, remote entry, anti-theft" fuse 24 - leaking ~180mA - "...
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611 views

Porsche Cayenne - battery problems after 3 months standing

My Porsche cayenne has been stood for three months and now when started the battery generator light comes on when driven over a short distance also the heater fan has stopped working the battery ...
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174 views

Battery drain suspect parasitic battery drain

My wife's Toyota Yaris hatch back, battery is draining overnight, I consulted a mechanic, he checked the battery by using volt meter, and told me the battery is fine, and then removed the negative ...
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128 views

Frost on parts under hood of car

I have some questions. I recently woke up to a dead battery. It's been below zero lately so it's not surprising as it's not an every day driver. Yesterday when I opened the hood to check the battery ...