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Questions tagged [charging]

The act of re-vitalising the plates inside a car's battery (voltaic pile)

3
votes
2answers
41 views

Battery only charges with parallel load - why? recoverable, or replace?

As a followup to Little/no charging but alternator and battery test good, the battery is only charging when the charger has a significant load in parallel with it (e.g. turning the key to the on ...
0
votes
1answer
28 views

Battery only charged with higher than 14.7v

My battery is 12V 8AH. 2 weeks ago tomorrow of good start engine I tried to start engine but my motorcycle was scrambling to start and I found that my battery may be damaged. Maybe it is useful to ...
0
votes
0answers
24 views

Alternator amperage to charge 3 batteries

I have a 2009 accord sedan, with a sound system installed. How many amps should my alternator be to charge my 3 batteries? My OEM alternator currently puts out 130.
-1
votes
1answer
30 views

Use of diode to charge in-house battery from motorhome solar system

I want to charge in-house battery (Fiat Ducato) from the motorhome solar system. I presume I can use a diode to do this? Can you please advise and what size diode would be necessary. Thank you.
2
votes
1answer
35 views

Charging problem

Ducati 450 scrambler 1975 converted to 12v with Luas Rita AB11 electronic ignition it is so easy to start with this modification I put a new original alternator 3 face that gives up to 55v at 5000rpm ...
2
votes
1answer
74 views

2002 Subaru Legacy GT - New Alternator, Battery Light Stays On

I recently had to replace my alternator as the one original to the car died after 180k miles. The new unit is a Subaru re-manufactured alternator purchased from the dealership. The original failure ...
1
vote
0answers
99 views

Dual alternator setup that is separated one alternator and battery runs the truck one alternator and battery runs the audio system

Hey guys I'm JD and I've got a 2008 Chevy Silverado extra cab 4 by 4 flex fuel truck with a 5.3 l vortec I have added a second alternator and second battery!! Separated the way this thing works the ...
1
vote
0answers
719 views

New alternator whining?

I have a concern about a new alternator I put on my 02 echo, again it too does not have a tensioner. Belt tension is created by pivoting the alternator away from the engine. This was the first time ...
1
vote
2answers
38 views

Charge laptop in car lighter

is there a way to safely charge laptop from the lighter? Is the power enough to charge all kinds of laptops? Will this affect the car consumption or battery life in any way?
1
vote
1answer
32 views

Charging a 26AH Lithium battery with an idle 140 minute reserve AGM battery?

My truck has a large Bosch 94R800B AGM battery rated 140 minute reserve. I've had a lot of luck using this power. Unrelated, but I have a 1200 watt inverter installed on top that can power a wide ...
1
vote
1answer
40 views

Alternator misconnected, what adverse affects

Spent the night and the very early morning in the garage changing the clutch on my wife’s 1997 Mk3 Golf GTI 8V 2.0. She’s called me saying the battery light is staying on. When I’ve thought about it,...
2
votes
0answers
44 views

Alternator charging light on, turned itself off after about 15 minutes of driving

I just picked up a 98 Explorer XLT that had been sitting unused for about six months. I had to drive it from the SF bay area to Orange county, which is about a 400 mile drive. When I first started the ...
3
votes
1answer
87 views

'91 Toyota Celica GTR (ST183) charging diagnosis

I've been working on getting a Celica up and running after a couple years of laying mostly idle, it's been dry-stored for most of it. The biggest issue I have right now is that the system is not ...
1
vote
1answer
51 views

2002 Honda CB250 wont turn over after new battery

I recently bought a Honda CB250, and did the 30 minute ride home fine. Then a couple of days later I took it out again and pulled over after about 10 minutes of riding and turned it off. After that I ...
2
votes
0answers
226 views

2006 Ford Focus always shows battery light after driving for 5 minutes

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 ...
3
votes
0answers
2k views

Intermittent battery light on 2005 Accord

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 ...
2
votes
0answers
59 views

I have a 2003 Oldsmobile allero. Power not getting from battery to alternator

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 ...
2
votes
1answer
50 views

Charging a motorcycle battery with no exposed leads

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 ...
1
vote
0answers
31 views

20.2 volts on the B+ terminal of a12v alternator.

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 ...
4
votes
1answer
92 views

Battery stops getting charged after 15-20 minutes of driving

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 ...
2
votes
2answers
64 views

Mixing marine & starting batteries with a switch

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/...
1
vote
0answers
106 views

Filled a battery with distilled water and trickle charged for days

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 ...
1
vote
2answers
210 views

2000 Chevrolet S10 dies, won't stay on after jump-start

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 ...
1
vote
1answer
2k views

battery light comes on mazda tribute

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 ...
3
votes
0answers
219 views

Charging issue and cranks but won't start

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 ...
1
vote
2answers
93 views

Is my charging system faulty?

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 ...
1
vote
1answer
3k views

charging battery with DC power supply

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 ...
2
votes
1answer
54 views

Dead battery not really dead?

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. ...
1
vote
0answers
43 views

charging boat battery

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 ...
2
votes
1answer
199 views

Keeping a motorcycle battery charged using a nearby car?

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 ...
3
votes
2answers
211 views

24V truck charging circuit problem

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 ...
4
votes
0answers
118 views

Can an 18V-5W Solar Panel Provide an Equalizing Charge for a Battery?

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 ...
2
votes
2answers
304 views

My 2005 PT Cruiser battery

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 ...
1
vote
2answers
317 views

Battery charging in enclosed space (garage)

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 ...
2
votes
2answers
130 views

battery in a 2000 jeep grand

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 ...
3
votes
1answer
145 views

Cheater Plug for Level 1 EVSE to Level 2 EVSE

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 ...
3
votes
2answers
67 views

Why can't I connect my R/R directly to the battery?

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 ...
7
votes
1answer
67k views

Bad ground cause alternator to output low volts?

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 ...
3
votes
2answers
479 views

Why is my car not charging?

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 ...
4
votes
4answers
1k views

Cigarette lighter socket no longer charges phone

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 ...
8
votes
2answers
5k views

Will never charging the batteries of a hybrid electric plug-in vehicle damage it?

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 ...
7
votes
3answers
613 views

unique alternator issue

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 ...
4
votes
2answers
145 views

Got serious earth terminal corrossion

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 ...
3
votes
3answers
2k views

Car Battery Flat After Sitting for 9 months - BMW e87

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 ...
4
votes
0answers
437 views

Mazda Bongo Friendee 2002 charging system or alternator not working after incorrectly jump-starting it

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 ...
6
votes
1answer
15k views

How to diagnose low alternator output

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 ...
4
votes
1answer
690 views

Motorcycle Lithium Battery - Potential Parasitic Drain

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 ...
11
votes
6answers
14k views

Why can't alternators provide full current at idle?

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) ...
10
votes
3answers
7k views

I charged my car battery with no water in it

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 ...
6
votes
3answers
92 views

Charging Battery

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?