what should your car battery voltage be at?
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Car Battery Voltage A fully charged battery should read 12.6 volts or above. When the engine is running, that number should be between 13.7 and 14.7 volts.
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Find the service panel on the rear fender on the driver side of the golf cart behind the battery. Read the inside panel to determine the level of current the fuses are set to take at a maximum voltage. It is common for fuses to be 250V.
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Note voltage at 15 seconds and stop discharge. If voltage is less than 9.6 (normal temperature), replace battery. Fixed load test—Similar to BCI test except voltage limit depends on CCA rating. ... Many older-model battery testers cannot adequately test AGM batteries and could prematurely condemn a good AGM battery.
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Car Battery Voltage When the engine is running, that number should be between 13.7 and 14.7 volts. If the battery is reading at 12.4 volts, then it's 75% charged. At 12 volts, it drops to 25%. Once the battery reads at 11.8 volts, it's considered to be completely discharged.
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The typical charging voltage is between 2.15 volts per cell (12.9 volts for a 12V 6 cell battery) and 2.35 volts per cell (14.1 volts for a 12V 6 cell battery). These voltages are appropriate to apply to a fully charged battery without overcharging or damage.
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Most AAA, AA, C and D batteries are around 1.5 volts. Imagine the batteries shown in the diagram are rated at 1.5 volts and 500 milliamp-hours. The four batteries in parallel arrangement will produce 1.5 volts at 2,000 milliamp-hours. The four batteries arranged in a series will produce 6 volts at 500 milliamp-hours.
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If the battery cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. If the battery is fully charged (according to the battery charger) but the voltage is 12.5 or less, the battery is sulfated. ... If your battery cannot even reach a full charge, consider it bad.
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Depending on the voltage of your electrical system, you may need to connect batteries together to create a bank at 12, 24 or 48V. Using a higher voltage is also a useful way of reducing voltage loss over longer distances or reducing the size of charge controller you need.
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A car battery tester should come with straightforward instructions. ... Around 12.7v is a good indicator of a fully charged battery. Below 12.4 volts, the battery will need to be charged. If the engine starts, it may be worth going for a short drive and checking the battery voltage again on your return.
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The 12 volt 200 amp hour battery in question has a total capacity of 200Ah X 12V = 2400 watt hours. If you use 1200 watt hours that's 50% of capacity and it's time to stop and recharge. To put that in reference to something familiar, headlights on a car are about 100 watts.
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What voltage is required to charge it? A: A 12V car battery can be safely charged over a range of voltages. It needs at least 12.9 volts to charge, but at this voltage the charge rate of an automobile battery 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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Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts.
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The Average Amps Required To Jump Start A Car. Before we dive into the specifics, you should know that the required amps to start most car engines is 400 amps. This is mainly for small and standard size vehicles. But in the case of SUVs, Trucks, and cars with bigger engines, you will need about 1000 amps.
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The battery must maintain a minimum post voltage of 9.6 Volts at 70 degrees F during the test to pass. If the voltage drops below 9.6 volts, the battery is “bad” and needs to be replaced. A faster and easier method to check the condition of a battery is to use an electronic battery conductance tester.
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A good, healthy car battery should have no fewer than 12.6 volts. 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'.
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Battery Voltage Voltage refers to the amount of electrical potential your battery holds. The standard automotive battery in today's vehicles is a 12-volt battery. Each battery has six cells, each with 2.1 volts at full charge. A car battery is considered fully charged at 12.6 volts or higher.
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Car Battery Voltage When the engine is running, that number should be between 13.7 and 14.7 volts.