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72 charging questions.

I have a 2006 Ford Focus. I got new battery and a new alternator two months ago. But it just started showing the battery light on dashboard few days back. The battery light shows always after about 5 ...

I have a 2005 Accord LX 2.4L w/ 101k miles and a few weeks ago, the battery light came on. The battery was changed last year. After checking everything, I concluded that it was a bad alternator, so I ...

2001 Mazda tribute v6 with a NEW alternator. Will start from beginning to be clear. Original alternator went out 3 years ago. Was replaced with after market, this worked for 3 years, was replace ...

I have a truck equipped with some emergency equipment that I'd like to be able to use without running the engine the entire time, and without draining the main starting batteries. There is a 1/2/both/...

Does a voltage regulator keep/ensure that the voltage at the battery is always approx. 14.5 or does it make the voltage from the alt. bypass the battery when it is fully charged so it does not ...

Lately I've been experiencing an issue regarding my charging system. When I measure voltage at the battery terminals while engine is idling, it's a pretty low 12.5v~ or so, when cooling/HVAC fans come ...

My car is a 2003 Oldsmobile allero. We have put in a new starter, alternator, pulley tensioner, and gone thru 2 batteries. The power is not getting from battery to alternator. They thought the ...

I am trying to charge this battery with this charger: However The connectors are as such: The battery is 6V, 4Ah The charger operates at 6v, 1A Without an obvious way to connect these im a bit ...

The engine on my sailboat has an Iskra 12-volt alternator that has worked fine for over 3,000 hours of operation. Just recently, I noticed that the voltmeter shows no charging, ie, only about 12 ...

Is it bad to jump your car with too many amps (i.e., with a 1000 amp jumper vs. a 400 amp jumper)? Or does the car regulate how many amps it will take? EDIT: I was told 400 amps is enough for most ...

I've got a 1998 Mitsubishi L200 pickup that has a charging problem. When I start the engine the indicator shows that battery is charging but after driving for 15 or 20 minutes it stops charging. I've ...

I am going to be road tripping and living out of my SUV for a while. I need a way to power a tiny portable cooler/fridge 24/7 and would like to be able to power my cell phone, laptop, and maybe a few ...

The starting voltage was 10.5 volts and when I left it charge at a 2Amp current it took a day to get to 11 volts and another day to get to 11.5 volts and would not go any higher. I took it off charge ...

My Chevrolet S10's battery light kept coming on while I was driving, and today it was driving just fine all day but when night came it died on me. I saw my dash lights began to dim so when I came to ...

A friend who drives a Leaf recently came very close to running out of charge, which prompted another friend to ask if it was possible to "jumpstart" a Leaf from another car. Obviously you couldn't do ...

This is a 2006 Toyota Avalon. The charging system warning light and automatic headlight leveling system warning came on. I made it home and there was clear smoking on the left side. What do you ...

A Short Story So a friend asked me to look at a 3.0 L Taurus at his shop. The car originally came in for a P0420 code and they put an anti-fouler on the rear o2 sensor. Whatever. During the road ...

I want to diagnose a faulty charging system in a European coach bus ('99 Neoplan). It has 2x 12V batteries in series and also two alternators. With the engine running I measure ~21V across the end ...

I have an EV that, like most, came with a Level 1 EVSE that can charge my car with 12A @ 120V. Now, I'd really like to be able to charge at work without needing to buy another EVSE, but at work, we ...

I was reading about load testing and full fielding alternators in a few different books I've got, and one of the points they all made was that to test an alternator's maximum output (or close to it) ...

I have a 2004 Kia Sedona, 3500 engine. I am having 2 issues: I am having charging problem Even trying to jump start it now it wont start, cranks over but won't start I have jump started it a couple ...

I've a Mazda 323 2005 model. Today while at going to work in the morning the car had starting difficulty. Back getting home in the evening the car struggled to start, upon opening the hood I noticed ...

It would appear that the common word of wisdom is that car alternators provide 50A of output. I actually looked at the supposed specs for my 2008 Jetta 2.5L on the internet -- a compact car -- and it ...

I have a question regarding off-gassing of antique car batteries while charging. If I have my batteries on constant charge with the tops off, would that cause enough sulfur discharge to corrode the ...

I plan to modify my SUV into a camping car. Can I charge my car battery through cigar lighter socket with a 13.6 voltage when my engine is off? Also, can I power the air conditioning compressor and ...

Fairly straightforward question, would I be able to charge my car battery with a DC power supply that outputs 12V 2.5A? I know real car battery chargers put out 12V 10A. Would it just take 5 times ...

2007 Escalade, 6.2L AWD This morning I fired up the car, drove about 4 miles and stopped at a gas station. Filled up the tank, got back in, turned the key and... click. No slow turnover or anything. ...

I am likely to be forced to use a Volvo V60 in its hybrid diesel-electric plug-in version for my daily commutes. This is a hybrid system comprising a 2.4l diesel engine with an added plug-in electric ...

I have a heavy (65 lb) battery for my boat & live upstairs (no elevator) in a condo. I don;t wanna keep bringing it inside to charge it & the only power plug I have outside is where I park my ...

I am in a unique situation where I have no access to a 230v wall socket to attach a battery tender. My plan is to use my car which is parked right next to the motorcycle to keep it charged up. In the ...

Do electric motorcycles and cars use the same type of chargers? Can we charge a Zero motorcycle at a Tesla supercharger station? How about at an electric car parking?

I recently finished a project in which I installed an additional cigarette lighter port on my car that was always on (the existing one was only on when engine was running), and connected a small solar ...

I have a car battery that I am trying to recharge. It measures 3.28v, and my charger is a Selmar Turbo 8. This is the charger I am using: Here is a picture of the ammeter gauge that I found First ...

My battery died 5 days ago, at which time I purchased a new battery. Today, battery was dead again. Got another jump, and had to go to a meeting. When I left meeting, battery was dead again. Another ...

I have a battey problem with my 2000 Jeep grand cherkoee can't keep the battery charged I have replaced the after market headlites and also had to replace the heater resistor but am at a lose as to ...

This is in a motorcycle. I'm having issues in the charging system. I tried to rule out some things by connecting the output of the regulator directly to the battery, but the voltage is lower than ...

My fiat Palio 1.2 2006 model acted up on me in the middle of a freeway. I had just brought a brand new alternator and a battery, because they were giving me a tough time. All was well unit today ...

I have two 180 Varta Sealed FLA 12v batteries in my stable block Which are charged by a 240kw solar panel on the roof to provide lighting to the stables. The batteries are in the feed room and we ...

I am an Engineer, at a company that provides transportation related products and solutions. Recently I was asked to design an EV car charging station. I quickly realized that car charging lacks ...

The answer to this may be so obvious that I'm almost too embarrassed to ask; however, here goes: I have a high-end battery charger for my car which charges through the cigarette lighter receptacle. I ...

I have swapped out the USB cable, the USB adapter, as well as had the socket tested by volt-meter at the mechanic. Everything checks out as normal. The "charging" icon shows up on phone display, but ...

I have a double battery set up (not leisure) as my MPV was built to operate in cold regions - had a little bit of corrosion over time. Last inspection a few months ago I had to replace the earth ...

I have a 2006 Jeep Wrangler with a stock alternator. I just built a off road teardrop trailer with its own 12v AGM battery and 12v refrigerator --the Jeep battery is an Optima. Using solenoids, I ...

Ive been away for 9 months and returned a few days back. I tried to start my BMW 1 series 2007 118D and it wouldn't start. The car was completely dead as the fob wouldn't do a thing, so I tried to ...

I incorrectly jump-started a 2002 Mazda Bongo Friendee by interchanging the negative and positive terminals and I blew the main fuse, replaced it but now the alternator or the charging system is not ...

My car (a 1991 Citroen BX 1.4) has been giving me alternator problems since I got it, the alternator failure came on every now and then and dimmed or disappeared when I revved the engine, my first ...

I have a track racing motorcycle with a lithium battery, the battery has gone flat on two separate occasions as a result of standing for a period of time. The first time the bike was standing for ...

Cars generally (and specifically a Honda Accord 2002) are not very energy-efficient. Given all the inefficiencies, is it "free" to plug in, say, a smartphone into a car to charge while I am driving? ...

Charging Battery

3 answers, 83 views battery charging
Is it OK to leave your vehicle running to charge the battery. It was pretty flat but jumped immediately which tells me the battery is not bad. And how long is it safe to keep it running?

I have purchased Hyundai Accent diesel 2002 four cylinder from my savings .. its start every morning but not at night when the car's headlights are on. I couldn't start it after one or two attempt . ...

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