what is the voltage when you charge a charger to your battery?
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- A fully charged “12 volt” battery will be at about 12.6V The charger may well take it up to 14.4 or so while charging. About 12.2 volts is 50% and 11.8 is approaching dead. (these voltages at no load, the battery at rest). Anything under 11.0 may indicate a dead cell.
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- When the battery is fully charged and the engine is OFF, the nominal voltage across the battery is approx 12.6 volts. With the engine running (above 1000 RPM) it should be 14 - 14.6 volts.
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How many volts should car battery be putting out when alternator is charging it? Gordon B has it dead on. Each cell in the battery when fully charged produces 2.1 Volts. Multiply that by six, and a fully charged battery produces 12.6 volts. When the alternator is charging, depending on the state of charge for the battery, at approximately 1500 RPM, the voltage should be 14.5 to 14.9 Volts. Some systems and certain battery chemistries will show a little more (as much as 15.2 Volts) or a little less (as little as 14.3 Volts), but ideally, 14.5 to 14.8 is ideal.
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- The battery is a DC (direct current) device as it produces  unidirectional current flow.    A charger is a device that produces a DC voltage. We usually think  of this device as being plugged into an AC source (like a wall  outlet). The voltage it produces is slightly higher than that of  the battery it is designed to charge. All we need to do is hook the  charger up to the battery and the battery charges.
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BATTERY CHARGING TUTORIAL The ABSORPTION stage (the remaining 20%, approximately) has the charger holding the voltage at the charger's absorption voltage (between 14.1 VDC and 14.8 VDC, depending on charger set points) and decreasing the current until the battery is fully charged.
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Deep Cycle Battery FAQ The charging voltage for a battery will also vary from 2.74 volts per cell (16.4 for a 12v battery) at -40c to 2.3 volts per cell (13.8 on a 12 volt battery) at 50c. Some charge controllers have this temperature correction built in.
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- A good rule is not to use a charger (or charging setting) for batteries that is greater than 25% of the AH (C/20) capacity or 10% of the RC rating of the battery or battery bank being charged. For example, if the battery has RC of 100 minutes, do not use charger that will exceed 10 amps.
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8 FAQs about EMV credit cards EMV -- which stands for Europay, Mastercard and Visa -- is a global standard for cards equipped with computer chips and the technology used to authenticate chip-card transactions.
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Using a car battery charger A basic charger usually charges at around 2 amps-and so needs 24 hours to deliver the 48 amps needed to fully charge a flat, 48 amp hour battery. But there is a wide range of chargers with different charge rates on the market-from 2 to 10 amps. The higher the charge output, the faster a flat battery is recharged.s said to be flat. A flat battery can be avoided if you have a battery charger-a relatively cheap, but worthwhile accessory. It uses mains current to replace the battery's lost. through positive and negative leads that clip to the corresponding battery posts.
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The 12volt Side of Life ( Part 1). To fully recharge a battery, you will need 14.1 to 14.8 volts at 80 degrees F, depending on the battery type. If you use a converter or converter/inverter, then you should fully charge your batteries at least once per week.f the battery will not hold a charge, the charging current does not drop below 2% (C/50), and is warm or hot, then it might have some permanent sulfation. Please refer to Section 16 for more information about sulfation and how to remove it.
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DEEP CYCLE BATTERY VOLTAGE & STATE OF CHARGE If if you take a reading while the battery is receiving charge, it could read anything up to 14.5 volts. If you take the reading when the panels aren’t exposed to the sun, as there will likely be power being drawn at the time, you can assume that whatever the voltage reading, it’s a conservative estimate.
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Fact: Alternators are not designed to charge dead batteries However, when jumper cables are needed, be sure to get the battery fully-charged with a battery charger as soon as possible. As the alternator instructions suggest, our REDTOP® batteries are fully-charged at about 12.6-12.8 volts and our YELLOWTOP® and BLUETOP® batteries are fully-charged at about 13.0-13.2 volts.
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Car battery voltage A fully charged car battery has 12.6 volts. There is a very big difference when a car battery voltage drops even a small amount of voltage. When a car drops, for instance, from 12.6 to 12.0, there will be 75% difference. Its power drops from 100% to 25%.At 12.4 volts, a car battery is 75% charged while at 12.2 volts its 50% charged. Consider your car battery charged at 12.4 volts or higher and discharged at 12.39 volts or less. It is important that you first check the battery plus the charging system output (alternator).he alternator may not be putting out enough current to keep the battery charged if the charging voltage is less than 13.5 volts. Make sure the alternator is tested (can be tested at an auto parts store).
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- The battery can be charged at a maximum rate of 10 amps for one hour. If your charger is less than 10 amps, it is recommended that you charge the battery for a longer period of time. As an example, a 2-amp charger may take up to 5 hours to fully charge a tractor battery. Ensure that your charger is set at 12 volts.
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- A fully charged “12 volt” battery will be at about 12.6V The charger may well take it up to 14.4 or so while charging. About 12.2 volts is 50% and 11.8 is approaching dead. (these voltages at no load, the battery at rest). Anything under 11.0 may indicate a dead cell.he voltage is allowed to roam within a confined window while the charge current is set and will only moderate during saturation charge. The charge time of a sealed lead acid battery is 12–16 hours, up to 36–48 hours for large stationary batteries.
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What is a Charging System? This is because all modern automobiles have a 12 volt, DC electrical system. A VOLTAGE REGULATOR regulates the charging voltage that the alternator produces, keeping it between 13.5 and 14.5 volts to protect the electrical components throughout the vehicle.
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Can i use a car battery cahrger on my deep cycle marine battery? Deep Cycle Batteries and Car Starting batteries are designed differently. A Starting battery is fully charged at 12.6 volts. A Deep Cycle Battery is fully charged at 14 volts. A starting battery can have all the charge dumped in it very quickly since it will reach full charge before heat can build in the battery from the charging process.
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- TESTING the ALTERNATOR, is it good or bad? To charge the battery, the alternator voltage output has to exceed a minimum charging voltage. This minimum charging voltage is 13.8 volts dc across the battery terminals, or at the output of the alternator. A single lead-acid cell starts to charge at anything over 2.25 volts. Since a 12 volt battery has six cells, any 12 volt lead-acid battery needs at least 13.8 volts to start to charge.
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How to Charge a Battery with a Solar Panel - Components of a Solar Power Battery Charger Most panels are rated at 12 volts and are fairly inexpensive. For better performance, a 16 volt panel will produce more current and will charge the battery faster. For do-it-yourself types, you can also build your own solar panel.
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Does a higher voltage cause a device to charge faster? Best Answer: a voltage regulator inside the device or transformer in the power supply regulates the charging voltage to the same voltage. The device will charge at the same rate. The transformer will probably get warmer at 220 versus 110. for very simple devices, like maybe an electric shaver, both the voltage and cycles (50 or 60) must be considered.
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- or 24 volt (12 cells). Although a battery is called a '12 volt' battery, its voltage varies from about 12.6 volts down to. 10 volts when it is discharging and can rise to 15 or 16 volts during charging. It is very. important, however, to limit the maximum battery voltage during charging otherwise the. battery will be damaged.
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- The amp meter shows how much current the battery charger is outputting to the battery. When you turn on the charger, it outputs a high amount of current (electrical power). For example, if you select the 12-amp rate to charge the battery, the charger needle will be closer to the 12 on the right side. As the battery charges, the needle will drop to approximately half of the selected amperage rate indicating the battery is fully charged (For example: 6-amps).
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PowerStream car battery questions and answers A: A 12V car battery can be charged over a range of voltages. It needs at least 12.9 volts to charge, but at this voltage the charge rate is very slow. A car battery can be charged safely at high voltages as long as the battery is not fully charged.
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Car battery voltage You should connect the voltmeter to the battery as before but not the charging voltage and this should be done after charging the battery or jump starting the car. 13.5 to 14.5 or more volts at idle should be produced by a charging system that operates normally.he alternator may not be putting out enough current to keep the battery charged if the charging voltage is less than 13.5 volts. Make sure the alternator is tested (can be tested at an auto parts store).
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Got Juice? How big a charger do you need? A good rule of thumb is to select one that is rated at 10-15 percent of a battery's (or battery bank's) amp-hour rating. For example, a 100-amp-hour battery would require a 10- to 15-amp charger. An undersized charger won't last long and may not be able to fully charge the batteries.
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- This means that the charger has the correct output voltage (24 volt, 36 volt, 48 volt, etc). Also, the output Ampere Hour rating on the charger is closely matched (within 10%) of the AH rating of the battery. 2. Be sure the charger cables are not damaged or heat worn.