Re: 11.64 volts on a car battery means... You should be getting 13.8 to about 14 volts on the battery with the motor running. Touch the black test probe to the negative contact point on the charger. If the car starts and runs with no problems I would leave it for the summer. With the engine running the voltage should be 13.5 to 14.5V. Weitere Informationen darüber, wie wir Ihre Daten nutzen, finden Sie in unserer Datenschutzerklärung und unserer Cookie-Richtlinie. I've found very little difference in the voltage of a worn out maintenance free (sealed type, calcium technology) battery and one that is healthy - both dropped to around 13.2-13.6 volts almost straight after turning the engine off, and would read about about 12.6-12.7 volts after being left overnight (approx. In hot conditions starting the vehicle when the engine is already warm the battery voltage will be between 13.5 volts and 14.3 volts. Favorite Answer That is a fully discharged battery. OP, you need to check the voltage across the terminals when the engine is running. Edited by Turkey on Tuesday 15th April 21:38. As a battery is charged the indicated voltage increases and, as discharging occurs, the indicated voltage decreases. But first, a few important notes and caveats… There is a very big difference when a car battery drops even a small amount of voltage. What's yours once started? Fully charged car batteries usually measure at around 12.6 volts or above, with some instances of your car battery showing 13 volts. I did everything right. Gassing Station | General Gassing | Top of Page | What's New | My Stuff, © 2021 Pistonheads Holdco Limited, All Rights Reserved, PistonHeads® is a registered trademark of CarGurus Ireland Limited, Pistonheads Holdco Limited, c/o Legalinx Limited, Tallis House, 2 Tallis Street, Temple, London, EC4Y 0AB, United Kingdom. This means that there are various chemicals in the battery that goes into a reaction when it is in use. So those massive '2 prongs' gizmos motor factors use to 'always tell you your battery is knackered' are snake-oil then or what?? C $16.28 shipping. The chart is listed below. Twelve volts is just a nominal, convenient term used to distinguish one battery from another. Battery Tutorial. A wide variety of car battery 11 volts options are available to you, such as voltage, car fitment, and type. That means it is bad, probably has a dead cell, correct? 12-18 hours) after driving. If an automotive battery is fully charged, at a minimum, it should have 12.6 volts. 11.6 does seem a bit low, but probably nothing too much to worry about. A battery with all six cells in good shape that reads 11 volts, however, would almost certainly not be able to spin the starter. I had my battery out over the weekend and it reads 11.75 volts. The temperature outside affects the voltage of the battery. As for a weak battery messing with the ECU's etc, yes this can happen but it is usually pretty obvious (eta to someone that knows what they are looking at when diagnosing). More buying choices $82.95 (4 new offers) Wildgame Innovations 12 Volt eDRENALINE Rechargeable Tab Style Battery. To avoid overloading your multimeter, make sure you have it set to a voltage higher than that of your battery (20 DCV on most tools). 4.3 out of 5 stars 11. Note that the voltage of a 100% charged battery is 12.7 V and a discharged battery us 11.9 (the reading you measured). If it reads 12.6 volts, the battery is just attaining a fully charged state. 100% battery voltage is a 12.6 Volts, 12.4 Volts is 75%, 12.2 Volts is 50%, 12 Volts is 25%, 11.8 Volts is 0%. 11.75-11.89 volts means your battery is dead. This actually means that one of your cells is dead or dry. whether it be connections or cables. Sie können 'Einstellungen verwalten' auswählen, um weitere Informationen zu erhalten und Ihre Auswahl zu verwalten. While volts are important, what you should really be concerned with are amps. If you put a multimeter on the terminals of a battery that is in a car with a good alternator and you get a voltage of 11.8, then you have a bad battery. Once the engine is turned on, the voltage of a charged battery will be anywhere from 13.7 to 14.7. Its power drops from 100% to 25%. It is a marine battery but they said it makes no difference. ABS / ESP / AirBags all showed errors until it had been run for a while. It stil fires the engine, good cranking power, and I have yet to have a problem. A fully charged 12-volt battery should have an open-circuit voltage of 12.6 volts. With the engine off, you should get a reading of 12.6 volts. Car battery HATES being flattened. This sounds perfectly normal..as mentioned a battery platous at a charge level and depletes very slowly after..11.8v is ample to start..11.2-4v is the floor for a vehicle to start..jump pack or leads are still good to carry..they are very helpful.. Re: 11.64 volts on a car battery means... its definitely dead, it may not be junk, cant know for sure until you jumpstart it and check charging voltage at battery terminals. Chemical Composition ... 2X Ovonic 50C 8000mAh 11.1V 3S Lipo Battery for Car Truck monster truck crawler. Therefore by that reading your battery was fully discharged and .8 volts below full charged reading, not .1 as you thought. I'd be concerned there was an issue with the alternator if it was charging at 14.8v's tbh, anything over 14.5 isn't 'normal'. OP, I have had a flat battery that has intermittently been unable to start the car recently. Your local automotive shop is more than able to load test your battery for … A reading of 12.65-12.77 volts means your battery has a full charge. There are six cells in a battery, each at 2.1 volts. $32.79 $ 32. With this method, a hydrometer measures battery voltage. 4) Yes, when the car is running the alternator puts out ~13.8 volts. When your vehicle is going to be sitting for a while, such as over the winter if you don't drive it in the snow, it may be a good idea to keep it on a battery charger or maintainer so that your car battery doesn't lose voltage over time. Load Test the Battery. Battery voltage reacts highly to charging and discharging. At about 80 degrees, a fully charged battery will be around 12.5-12.6 volts. How many volts should a car battery have? A meter reading of 12.2 volts or 12.0 volts will indicate a charge rate of 50 percent and 25 percent, respectively. I put together the following battery state of charge chart which indicates the state-of-charge (percent) as it relates to battery voltage or specific gravity. Voltages and Specific Gravity are listed for a 6-volt or 12-volt battery, and battery banks of 24 and 48 volts. Shouldnt it read like 12.25 or something? As I said, if it starts and runs fine then there are no issues to worry about for the moment with slightly low voltages on the OP's batteries. It's designed to be kept fully charged ALL the time. 11.1v Filter Applied. In cold conditions, starting the vehicle from cold the battery voltage will be between 14.2 volts and 15.1 volts and will reduce as the engine warms up. The car battery is what powers all the electrical components of the car. FREE Shipping. Off load (with nothing connected) a healthy battery should 12 to 12.5V. To get a true voltage reading of the cars battery it is important to measure the voltage after the car has been sat for a period with the engine off, preferably overnight, this provides you with the “car battery open circuit voltage” or also know as the “resting voltage”. Generally speaking, if your battery reads 10 volts that means that you have a dead cell. View the most popular hydrometer on amzn. The target voltage of the battery varies between 14 volts and 15 volts depending upon the ambient temperature and the vehicle operating conditions. When it is recharging, the chemical reactions are reversed. According to the data in the link above the two most common car battery types should both be dead at 11.8 volts (no charge left)so I would definitely check your multimeter. I thought it may be a faulty gauge but when I take it out at night when it drops down to 11 volts the lights begins to fade. I've always thought when boating that you never let your 12 volt battery drop under around 11 volts, so this very passive stance has confused me a bit. That means it is bad, probably has a dead cell, correct? Then when it goes back to 14 volts the lights go bright. Another guy insisted his car battery had at some point been as low as 2 (!) Sie können Ihre Auswahl jederzeit ändern, indem Sie Ihre Datenschutzeinstellungen aufrufen. $99.99 $ 99. When the engine's running all you'll ever see is the voltage off the alternator. Perform an Alternator Diode Test. Some put upto 18v in straight straight start up. Off load ( with nothing connected) a healthy battery should 12 to 12.5V. If the charger you’re testing … I put together the following battery state of charge chart which indicates the state-of-charge (percent) as it relates to battery voltage or specific gravity. I had my battery out over the weekend and it reads 11.75 volts. Depends on the charging system. Once this target voltage has been achieved, providing the vehicle has been operating for at least the shortest time period, the ECM will reduce the voltage regulator to the minimum setting of 13.6 volts. I just had the battery checked last week at Autozone. C $106.94. Car Battery Chargers. A voltage value of 12.7 volts and above indicates a 100 percent charged battery. Any readings below 11.9 volts will indicate a fully discharged battery, and damage may have occurred to the storage device. When your battery is fully charged it should be at 12.6 volts. ... 7 product ratings - MaximalPower 4000mAh 20C 11.1V LiPo Battery for Parrot Bebop 2 Drone J6W9. Because of the way lead-acid batteries discharge, it's important that you test the battery after it's been sitting for a period of time to get what's called the 'resting voltage'. In the winter when demands are higher on the battery then it will probably start to fail. [12] If you have less than 11,5 volts, your battery is likely to be half discharged. To be more specific: a fully charged battery ideally measures at 12.66 volts and above, but 12.6 volts at 80 degrees, 12.588 degrees at 30 degrees, and 12.516 volts at 0 degrees are acceptable readings. If you want to test the battery using a multimeter, you should first turn off the engine. Alternators use diodes (in a rectifier) to direct current flow out of … Are you sure the voltmeter is reading okay though as those voltages do both sound low to allow enough power for good cold starting. My shed which has hydraulic power steering didn't work for a while after having a bump start. 12.45-12.54 volts means you have a 75% charge, 12.24-12.29 is 50% charged, and 11.99-12.06 volts is 25% charged. A reading of 12.10 volts means that it is halfway; With 11.90 your battery is low and in desperate need of a … This is the method used for non-sealed lead acid batteries. Daten über Ihr Gerät und Ihre Internetverbindung, darunter Ihre IP-Adresse, Such- und Browsingaktivität bei Ihrer Nutzung der Websites und Apps von Verizon Media. Alibaba.com offers 1,657 car battery 11 volts products. if it is not in the area of 14 volts then the charging system is messed up somehow. 99. A fully charged healthy battery should show 12.6 volts. But when it reads 12.4 volts, the battery has attained a 75% charge level, and it could still be charged further, there would be no danger. If you want to test the battery using a multimeter, you should first turn off the engine. In a car 12V is dead, a “12V” lead-acid battery should be above 12.5V at rest. A fully charged car battery has 12.6 volts. If the car is not running and you get 11.8, you still have a bad battery. 99 $43.00 $43.00 C $68.91. Shouldnt it read like 12.25 or something? TBH, if the cars start fine everytime you go to use them there is no point testing the voltage anyway. If your car has a voltmeter you can watch this happening,#, Starter motor - voltage will drop momentarily, Engine first running - you may well see something up to 15v. Power Wheels 12-Volt Rechargeable Battery. In order to avoid sulfation and preserve normal working capacity, you should conduct urgent charging. A fully-charged 12-volt battery, allowed to “rest” for a few hours (or days) with no load being drawn from it (or charge going to it), will balance out its charge and measure about 12.6 volts between terminals. Mobile phone battery is happy to be flattened/recharged/flattened/recharged. volts and hey, he had no problems with it. All this 'remove it and put it in the house and stroke it and introduce it to your kids' stuff sounds complicated ;0. 5) Just find a different way to run the inverter. A specific gravity of 1.269 means that the battery … Percentage of Charge 12 Volt Battery Voltage Specific Gravity 100 12.70 1.265 Klicken Sie hier, um weitere Informationen zu unseren Partnern zu erhalten. If the car starts and runs with no … Without the right voltage, the battery will be dead. Durch Klicken auf "Alle akzeptieren" stimmen Sie zu, dass Verizon Media und unsere Partner Informationen durch die Nutzung von Cookies und ähnlichen Technologien auf Ihrem Gerät speichern und/oder darauf zugreifen und Ihre personenbezogenen Daten verarbeiten, um personalisierte Werbung und Inhalte anzuzeigen, für die Messungen von Werbung und Inhalten, für Informationen zu Zielgruppen und zur Produktentwicklung. see all. Did you try letting the battery sitting without the lights on for a while. It does odd things. http://www.meeknet.co.uk/e38/E38_Battery_SOC_Table... Bring the battery indoors and let it stand overnight (to stabilise after charging and to get it to room temperature), Starter motor - needs high current and doesn't care much about voltage, Computer - needs correct voltage and doesn't draw much current. A fully charged car battery voltage should be 12.6v or above, this is with the engine off. With the engine running the voltage should be 13.5 to 14.5V. Source (s): Automobile Technician It is quite possible to start an auto with a low voltage provided that equipment is new and does not require repair and the battery is charged from a generator while an engine is operating. I've checked my voltages and seem to be in a similar scenario to you, albeit slightly further down the road (02 E46 330ci on original battery). 10.5V is a destroyed battery for a normal (not deep-cycle) automotive battery. If the battery isn’t fully charged, it will diminish to 12.4V at 75%, 12V when it’s only … 94 sold. A discharged battery will read around 11-12 volts unloaded or minimal load, 100mA. A meter reading of 12.2 volts or 12.0 volts will indicate a charge rate of 50 percent and 25 percent, respectively. Crank up your Onan or engine generator, or plug into shore power, and your voltage goes up to 14.0 – 14.5 volts, even when your battery is seriously depleted. 8 volts on the battery indicated that it was in a deep discharge state, not good. Turn on a big load like the microwave (if you have a big inverter that will power it), and voltage dives down into the 11.5-11.8 volt range, even on fully charged batteries. If an automotive battery is fully charged, at a minimum, it should have 12.6 volts. The voltage reading of 12.4 volts will indicate that the battery is only 75 percent charged. It doesn't run the car - your alternator does that - all the battery does is start the car. Any readings below 11.9 volts will indicate a fully discharged battery, and damage may have occurred to the storage device. After driving for 15 minutes - voltage will probably be down in the low/mid 14s. alternator to charge it up. My EP2 civic shows 12.1/12.4 with ignition on, then once started 14.2. A perfect voltage with the engine running is between 13.7 and 14.7V. FREE Shipping. When the engine is running and functioning correctly, the car battery will fluctuate between 13.7 and 14.7 volts. Number of Cells (S) see all. With experience, one can accurately determine state of charge using a voltmeter. A discharged battery will have a voltage of about 11.2 volts--but … Which every day car puts 18v out of the alternator on start up ? Powerextra 2 Pack 12V 3000mAh Lithium-ion Replacement M12 Battery for Milwaukee 12-Volt 48-11-2411 Cordless Tools 4.5 out of 5 stars 1,176 $39.99 $ 39 . 3.9 out of 5 stars 82. 11.1V Lipo Battery, 3S Lipo Battery 6200mah 50C Hard Case Tracxas Plug for Tracxas RC Car/ Truck/Buggy, RC Boat, Airplane, UAV, Drone(2 Packs) Rechargeable 4.4 out of 5 stars 133 When a car drops, for instance, from 12.6 to 12.0, there will be 75% difference. 79. The ideal car battery voltage range will provide you with a relevant interval according to which you can measure precisely what the voltage says about the battery’s current charge. I'm totally amazed my car is still starting with 11.6 volts in the battery. A 12-volt battery is not a 12-volt battery. Voltages and Specific Gravity are listed for a 6-volt or 12-volt battery, and battery banks of 24 and 48 volts. What it likes best is rapid top-up by the alternator after every start and then to sit quietly minding its own business. According to the data in the link above the two most common car battery types should both be dead at 11.8 volts (no charge left)so I would definitely check your multimeter. just checked both batteries for an e36 and e46 and one is showing 11.6 and the other 11.9 with a voltmeter...ive read that healthy batteries are about 12.4-12.6 nominal voltage? Car batteries typically put out 12 volts of electricity, which is about 6 times more than most personal use batteries. Unless it was a nearly new battery, I would do one of two things if it does charge and start the car: 1. The chart is listed below. Once the engine is turned on, the voltage of a charged battery will be anywhere from 13.7 to 14.7. Running cars have alternator voltage regulators set between 13.5 and 16V. They said it was fine. A good, healthy car battery should have no fewer than 12.6 volts. Voltage. It is typically a rechargeable 12 volt lead-acid battery that powers the electrical system in the vehicle. The car will start and is charging 14 volts then for no apparent reason will drop to 11 volts then back up to 14 volts. ... 12 volt car battery 11.6 volts on the battery without the motor running is not good unless the truck has not been running for a while and has just been sitting there in the cold slowly draining, which would be normal, a battery will loose its voltage slowly over time. Electrolyte gravity voltage test. It stil fires the engine, good cranking power, and I have yet to have a problem. Car batteries are rated according to CCA, or cold cranking amps.
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