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.

Filter by
Sorted by
Tagged with
0 votes
1 answer
45 views

I have a 3500 watt car audio system and want the cheapest way to run it?

I have a 3500w system I need to know if I need a high output alternator or can I just replace my stock battery with a 4800 w energie battery
1 vote
1 answer
30 views

Will battery recharge help temporarily?

I am fairly certain my wife's BMW X1 needs a new battery, but cannot get into NTB for another couple of days. If I give the battery a bit of a boost with my external charger for the next two nights, ...
  • 11
0 votes
1 answer
32 views

VW POLO 1.6TDI goes limp mode turbo underboost

I have got a few issues with my POLO TDI 2012. My car starts and runs, one day when I start it in the morning, car idles roughly (rpm jumps up and down quickly). Then the car starts acting weird, like ...
3 votes
1 answer
119 views

Bad battery? Bad alternator? Bad starter? 2004 honda civic?

Today went to start my 2004 honda civic and when I put the key in the ignition I got nothing no power no sound no crank nothing..... I just replaced the battery with a good die hard battery less than ...
  • 31
1 vote
1 answer
78 views

Car battery test says it is Good, but can’t charge above 12.45V

Is a battery that tests good but has a low max voltage still useable, or is it time to replace? This car is mostly used in winter, so other times I use a battery maintainer once per week. If I ...
  • 11
0 votes
1 answer
30 views

Decode date on AC Delco 78S battery

The date on my AC Delco 78S battery is S082P When was it manufactured? I ask because August isn't here yet so how could it be made in August?
0 votes
1 answer
39 views

Why won’t 2020 battery charge above 25%?

While charging from 1.5v, now at 6.5v, charger only reading 25% and have no power to anything. Is this what I should expect?
  • 1
2 votes
1 answer
195 views

How to get a rough approximation of how long it would take to discharge battery almost fully when keep ignition on?

I want to do a simple 'test' to see if my motorcycle battery is draining too fast. I've heard that if you keep motorcycle ignition on over night, it will drain. But I could not find any single source ...
  • 301
-1 votes
2 answers
83 views

Battery level indicators in dashboard of four wheeler vehicles

Dashboard Symbols Lead acid batteries v/s Lithium ion batteries Lithium ion batteries used in electric vehicles Are there Battery level indicators on the dashboard of four wheeler vehicles? Can ...
0 votes
0 answers
46 views

2007 honda civic wont start after new battery and starter

i have a 2007 honda civic ex 5 speed. so in like a week out of 30 times starting my car it didn't start like 5 times. than it wouldn't start at all.so i tried to pop start it and was fine. so i was ...
2 votes
0 answers
23 views

How can I diagnose the cause of a flat battery?

Two days ago I could not start my car. The battery seemed flat. I seldom use my car and when I use it I only drive short distances. I carried the battery home and charged it with a smart charger. ...
  • 121
3 votes
3 answers
555 views

New AGM 12V battery at 10.8V - charger says it is full

Yesterday I bought a new Varta Powersports 508 012 008 AGM 12V battery. Assuming it was mostly charged I immediately hooked it up to my generators starter motor and it started it without problem. ...
6 votes
2 answers
1k views

Best way to recharge battery using alternator?

Let's say I'm unable to start my car. I get a jump from another car, and my car is now running and charging the battery. The advice I get next is "leave it running for 45 minutes so it can ...
  • 163
0 votes
0 answers
27 views

Jaguar Battery Date

Please can someone tell me what the date is for my battery the only numbers I can find are GX73-10655-AB Or 12188F316 Thanks
1 vote
0 answers
33 views

ECU leaks current

Im the proud owner of an ER-6F from 2009. I just tested my bike for leaking current and noticed it did. When pulling the fuses I found the ECU to be the culprit. I assume this is not normal. What do i ...
0 votes
1 answer
34 views

Is there any walkthrough material, or guide to set up solars on a Tesla to charge while driving?

I have found videos and full tutorials how to achieve solar charging with portable solar panels such that you could even non-temporarily affix to the top of the car, and charge when you stop (normally,...
0 votes
0 answers
23 views

Cause of stator burn on ER-6F 2009

So yesterday I stopped for gas and when I tried starting the bike again it did not work. After some google-ing I found it was probably the stator. When I opened up the bike the stator had a burn spot. ...
1 vote
1 answer
33 views

What makes the battery light come on

My question is not “why does the red battery light come on”. I know it’s a battery or alternator problem. What I would like to understand is the physical mechanism that makes it turn on. Is it a ...
0 votes
1 answer
93 views

Where is the 2nd. battery in my 2016 Chevy Malibu [closed]

Where is the 2nd battery if I have one. My friends Chevy truck has it under back seat.
0 votes
2 answers
38 views

What type of switch would switch a Load between two different power sources? (12V DC)

I want a switch to let me choose whether 12V DC (10A max) power to a wire is coming from Vehicle (DC out) power or from an Auxiliary battery. I think this would be a DPDT On-On switch. What's the ...
0 votes
2 answers
70 views

If a battery has a date of manufacture stamp of 2016 on it and will not charge, is it expired? Yuasa NP17-12L. I think I’m being conned. Help!

I have recently had a dispute over a battery which would not work for longer than 5 mins. The battery is a Yuasa NP7-12L. The date stamp says manufactured in 2016. Is this out of date? Please help ...
2 votes
1 answer
54 views

Question about cigarette lighter voltages/currents

My motorcycle of course has a 12V battery. I have been informed that the OEM Honda cigarette lighter is wired with an "inline 1A fuse". I'm considering ordering a phone charging USB adapter ...
  • 223
1 vote
1 answer
33 views

2012 Sonata doesn't turn on but make hosh sound

I have 2012 Hyundai Sonata which does not turn on,(Sometime you get lucky and turns on.) The car makes hush sound as below link but doesn't turn on. Video Link As you can see in video i tried couple ...
  • 111
2 votes
2 answers
54 views

Car starts only when I jump it

I have a 2006 Dodge Caravan SXT. Bought it from a friend who said that the battery was replaced like two years ago. Everything was fine until recently I started having this problem where the car would ...
  • 21
1 vote
1 answer
32 views

2000 Suzuki Katana 600 starting

So I just purchased a 2000 Suzuki Katana 600. The bike cranks but doesn't want to start. I had the battery tested and it was good. I can get it started with some starter fluid. Then if I go ride it or ...
4 votes
4 answers
4k views

Nearly drained battery for 2 weeks - how much damage was done?

I recently made a mistake of starting my car, and only driving it for a short trip multiple times in below-freezing weather without letting the car fully warm up. This was after the car had sat for ...
0 votes
1 answer
39 views

Is it normal to over flow little battery liquid

I got an overflow issue with my car's old battery and now replaced it with a new one. currently, when I go for a long drive few vapors are released through the overflow exit side of the battery. Is it ...
  • 101
0 votes
0 answers
28 views

I have a 2019 CX3 that pulls 1.5 amps with all off

The problem started when a new motor was put in. At first the battery would be dead every month or two. Now the current is 1.5amps all the time, and have to keep a charger on it, or jump start it, if ...
1 vote
1 answer
50 views

I have a 2009 Honda Accord 2.4 and I replaced the battery and alternator and the car will not keep running. Its not holding a charge

Hello my 2009 Honda Accord won't seem to stay running after I replaced the battery and the alternator. We took the battery and alternator to get it tested and is still good, so I was wondering what ...
1 vote
1 answer
91 views

Why is my Volvo XC60 Battery discharging to 6V when parked for 2 days (dead flat)

I have a 2014 Volvo XC60. A mechanic recently replaced the (main) battery with a (non-Volvo) Century battery (AGM-type 12v lead acid, 70Ah). I parked the car in the garage for 2 days and the battery ...
  • 11
13 votes
6 answers
5k views

What does it mean when I turn the car key, nothing happens for a bit, and then the car revs to life?

Usually, when starting my car, as soon as I turn the key all the way around, the car instantly starts revving and then springs to life. For some reason, today, when starting my car. I turned the key ...
  • 131
0 votes
1 answer
47 views

How can I charge a depleted motorcycle battery?

I left my motorcycle too long without using it and now it won't start. The last time it happened I brought the bike to a shop, and they were like there is nothing wrong with your bike, it's just out ...
  • 101
1 vote
0 answers
31 views

12v coolant pump powered from leisure battery and starter battery. HOW?

OK so I am trying to figure out final component of my camper electrical system and I have found I am stepping beyond the scope of "connect A to B" etc. I have a diesel water heater with an ...
2 votes
1 answer
52 views

Car dies when turning key

I have a 2017 Nissan Rogue. I get in the car and the dashboard indicates my door is open I shut the door, everything is fine. But when I put the key into the Ignition and go to start it the car ...
1 vote
0 answers
52 views

Car horn's relay always in switched on position;could it be the reason for total battery drainage if car is not started for 2 days

(MG Hector plus petrol automatic-1 year old). My car's battery was suddenly getting drained in just 2 days of not using the car. This happened twice. I took the car to the service centre and they said ...
0 votes
0 answers
38 views

no sound when turning key, but battery should be fine

I know it isn't the battery. I just had the charge checked, and it starts... Sometimes. But the majority of the time, I turn the key and there's no noise under the hood. The door indicator beeps when ...
0 votes
1 answer
34 views

My Honda WR-V ran out of battery for a long time. Now nothing works

My car has completely run out of battery power. After carrying out a transfer of energy to be able to start. It's not working properly, the multimedia doesn't turn on, the alarm doesn't work either, ...
0 votes
1 answer
72 views

Alternator / Regulator / Battery issue with Yamaha XJ 600

I don't use my XJ 600 so often and a few months ago, it wouldn't start due to an empty battery. The battery was old. I got a new one, and a SC10 "smart" charger to take good care of it. Two ...
  • 201
2 votes
1 answer
253 views

Red dust around the negative terminal of the battery

Today I noticed some red dust around the negative terminal of the battery. What could be the reason for this phenomenon, and is it a problem? Should I clean it up? I originally thought about corrosion,...
  • 319
2 votes
2 answers
162 views

Determining root cause for Renault Clio not starting

My Renault Clio 1.2L 2002 16v occasionally has issues with starting if I don't drive it for a while (usually prolonged periods). Typically its usually the battery and either jump starting or using a ...
  • 173
1 vote
4 answers
155 views

Why connect negative during jumper start?

I've been reading about the science behind jump starting a car and everyone keeps talking about the correct order and why the negative shouldn't connect to the dead terminal, etc... but no one ...
  • 11
17 votes
3 answers
5k views

Car battery at 10v, then shows 14,5v while car running after boost, then when car turns off, drops to 10v again within a minute

Yesterday car suddenly didn't start. We boosted it and drove for an hour. When parked, it would restart immediately. But after waiting 1 minute, it wouldn't start again. Today I measured the battery: ...
  • 173
1 vote
1 answer
58 views

Battery died at a drive-in and the guy that jumped off the car with a jump box hooked a jump box up backward

After you hit the jump box up backwards I attempted to start the car twice before I realized that he hooked it up backwards it is a 2011 Toyota Camry now the car starts but it has no acceleration at ...
0 votes
2 answers
191 views

Charging my car battery with charger - voltage increasing but ampmeter reads 0 amps

My car has been out of commission and out in the extreme cold for a few weeks. I have a brand new battery that read 3.3 volts when I started charging an hour ago. It now reads 9.2 volts but the ...
0 votes
0 answers
33 views

Acura TLX momentarily flashing check brakes, then dying. What is going on?

I have a 2016 Acura TLX with ~50k miles on it. Recently, it's been behaving quite strangely, typically associated with a brief, but never permanent, flashing of the 'check brakes' light. If [whatever ...
  • 131
3 votes
1 answer
50 views

Car starts after jumped, not again

My 2016 Ford Focus wouldn't start, so we jumped it and had the battery replaced. Pep Boys said it was corroded and definitely needed replaced. It ran for about a week, and wouldn't start again. My ...
  • 31
0 votes
1 answer
52 views

Jumper starter doesn't show connection to battery unless I engage the manual override - Cold Weather

I'm trying to jump start my car with a portable booster pack, the car has been out for about 2 weeks in temperatures that regularly reach -15 C and the battery is completely dead. It's a brand new ...
1 vote
1 answer
122 views

My first hybrid, strange electrical problem, 2007 Honda Civic Hybrid

Just bought my first hybrid, a 2007 Honda Civic Hybrid. Regrets already. Need help diagnosing this behavior. I'm about 80% sure the "starting" battery is dead, but hybrid... Day 1 Turn ...
  • 161
1 vote
1 answer
24 views

Correct battery for Insignia Sports Tourer

I have 2013 Insignia Elite CDTI AUTO diesel 1956cc. United Kingdom vehicle. How to get the correct car battery and what specifications to look for while choosing the right battery? I tried reading in ...
0 votes
0 answers
60 views

Lithium vs lead-acid motorcycle batteries: which lasts longer in the winter? Lower capacity vs lower discharge rate?

My question I would like to understand a bit better the pros and cons of lithium vs lead-acid 12v batteries for a motorcycle, especially during the winter. Yes, I know, google is your friend, and I ...

1
2 3 4 5
26