Is 13 9 normal for a battery
Car sits at around 13V idle and 14V driving on the freeway. Battery voltage is like 12.6V with the car off.. I would think 13.5-14.5 would be a more normal/healthy range.. no? Battery is most likely a couple years old, but had it tested at autozone and it said good battery. The indicator is black on the battery, (bmw OEM batt).
Just changed my alternator, voltage range is between 13-14V. Normal?
Car sits at around 13V idle and 14V driving on the freeway. Battery voltage is like 12.6V with the car off.. I would think 13.5-14.5 would be a more normal/healthy range.. no? Battery is most likely a couple years old, but had it tested at autozone and it said good battery. The indicator is black on the battery, (bmw OEM batt).
Battery Voltage
Iirc there was a chart that Q posted with normal voltage thresholds listed. I was trying to find that particular thread to help diagnose if what I was reading was normal or below tolerances. ... On day 3 with the duralast and all seems well. Battery is at 13.9 at idle. 12.5 after 8 hrs via the voltimeter readings. Thanks again. Cheers, Larry ...
How to Test Your Car Battery Voltage (+Ideal Range)
The normal car battery voltage, measured when the engine is off, should read 12.6 volts (known as resting voltage). Car batteries usually provide these 12.6 volts through six cells, each supplying around 2.1V. When the …
13.8V alternator charging voltage O.K? or do I need to replace ...
I was listening to the car radio while I was doing an oil change and some other stuff for about an hour. That was enough to drain the battery, so I was unable to start the car. I used a charger to charge the battery. A few days later, I checked the voltage of the battery while the engine was running, and I got 13.8V. The other car I have, which had a …
13 Alternator And Battery Testing And Diagnostic Tips
10. Check The Connections. If you don''t see at least 13.5 volts when you check charging voltage at the battery with the engine idling, check the wiring connections at the alternator — not just visually or by wiggling the wires or connectors, but check for excessive resistance by doing a voltage drop test.
How Many Volts Are In A Car Battery? | Advance Auto …
Car Battery Voltage: What You Need to Know While most people know that car batteries are 12-volt DC batteries, there''s a lot more to the story than that, and a car battery voltage range test may be just what …
Why Does a 12 Volt Battery Read 13 Volts?
That 2.2 volts is the fully charged, straight off the charger number. The actual resting voltage, or the voltage a battery will settle at 12-24 hours after being removed from the charger, is closer to 2.1 volts per cell, or about 6.4 volts for a 6v battery, and 12.7 volts for a 12v battery. These numbers assume 100% healthy cells, and may vary ...
Battery Voltage keeps going between 13.9 to 13.4 or 14.0 to 13.8
C6 Corvette General Discussion - Battery Voltage keeps going between 13.9 to 13.4 or 14.0 to 13.8 - Since yesterday, i''ve noticed how my Battery Voltage would jump between 13.9 to 13.4 then to 13.7 or 14.0 going to 13.7 to as low as 13.3 while the car is idle. When driving it wouldn''t erratically changed. It would...
How Many Volts Are In A Car Battery? | Advance Auto Parts
Car Battery Voltage: What You Need to Know While most people know that car batteries are 12-volt DC batteries, there''s a lot more to the story than that, and a car battery voltage range test may be just what you need to find out all the necessary details about your battery''s overall condition. When comparing your car battery''s voltage …
Find the Voltage of Car Battery
If your battery drops to a voltage of 11.9V or less, you''re going to notice a serious drop-off in performance. Once it goes down to 11.6V, the battery is almost completely discharged. How Many Volts …
Battery at 13.7 volts disconnected, 14.7 with engine idle or …
The voltage of the battery itself with the negative terminal disconnected was 13.7, higher than expected. The circuit with the engine off was lower but less than 0.1 volts lower, within rounding. Something like 20 minutes after idling the voltage was down to 13.4 but still higher than expected, then immediately after running the engine again ...
Battery Over Charging (boiled), charging voltage is 14.2...
* No CEL or Battery Light; the dashboard is clean. * After sitting overnight overnight the battery is sitting at 12.2V (engine off). * Cracks slower than normal but starts the car just fine; do doubt it lost some capacity when it boiled. * At idle I get 14.2V on the + post (jumps around a little but holds pretty steady).
Normal operating battery voltage | Ram Heavy Duty Forum
The voltage at the start of my drive on Sunday was 13.8 and dropped to 11.4. Next day on Monday it was back up to 13.8 the whole day. Then on Tuesday on the way to the service department at the dealership voltage was 11.2.
What Should Voltage Be at Idle: Understanding Optimal Voltage …
Voltage at idle should typically be between 12.5 and 13.5 volts. At idle, the alternator should be putting out enough voltage to maintain battery charge and pow
12 Volt battery operation range?
The real key to testing a battery health is to put a known controlled load on a battery for a given amount of time,,, measure the voltage under load,, and measure the natural recovery. Only then will you get a good sense of battery health. The 9.6 might be a concern,, depending on what loads are on as the car boots.
Normal operating battery voltage | Ram Heavy Duty …
The voltage at the start of my drive on Sunday was 13.8 and dropped to 11.4. Next day on Monday it was back up to 13.8 the whole day. Then on Tuesday on the way to the service department at the …
Battery Myth | Why is My 12 Volt Battery Reading as 13 Volts?
It is perfectly normal, in fact, healthy for this to happen. Each of the 6 cells in a 12 volt battery actually holds up to 2.2 volts. 6 x 2.2 = 13.2 BatteryStuff !
Is 13.4 volts too high for devices requiring 12 V?
Page 1 of 3 - Is 13.4 volts too high for devices requiring 12 V? - posted in Equipment (No astrophotography): I bought a Jackery 500 battery based partly on the claim that it provides regulated 12 V DC. However, the DC output is actually 13.4 V. In comparison, the AC adapters supplied with my iOptron mounts and ZWO camera give …
How to Tell if a Deep Cycle Battery is Bad
A hot battery under normal conditions means something isn''t right inside the circuitry or actual chemical reactions within the battery. Not paying attention to this could lead to a fire. Under normal use, it''s normal for batteries to be warm. It''s when they pass that threshold that it''s dangerous. Sluggish performance
What Voltage is Considered Bad for a Car Battery?
Fully-charged, most car batteries will measure at least 12.6 volts (~13.0-13.2V for OPTIMA YELLOWTOPs), but low voltage doesn''t necessarily equal a bad battery. Modern cars are very demanding from an electrical …
Easy explanation: RV Battery Voltage and State of Charge
The battery voltage is what a voltmeter reads, or how many of those four lights are illuminated on your display. The state of charge (SOC) is what the actual storage status of your battery is, 100% being fully charged and 0% being flat dead.. The reason there''s not a simple relationship between battery voltage and state of charge is that …
Find the Voltage of Car Battery
If your battery drops to a voltage of 11.9V or less, you''re going to notice a serious drop-off in performance. Once it goes down to 11.6V, the battery is almost completely discharged. How Many Volts Should a Car Battery Lose Overnight? It''s normal for your car to lose a small amount of charge each night due to parasitic draw.
What is normal car battery voltage?
With the engine off, the fully charged car battery voltage will measure 12.6 volts. This is known as "resting voltage." When the engine is running, battery voltage will …
Alternator Only Putting out 13 Volts – Should You Worry?
When your alternator produces only 13 volts, the battery will barely charge. And if this happens during one or two days, it will be more or less ok. But if this happens for a long time, the battery will lose all its juice and eventually die. You will not notice the process because even when the battery is low, it will most likely start the engine.
alternator output 13.6v good or bad
replaced a dead battery this morning. tested voltage with car running 13.6 v. is this the new normal with a newer vw? it is more than the battery voltage but i am leary of calling it good. what little info out there says it may incorperate some level of smartcharging. and im not sure if it has wizbang coding for the battery yet as it is on its …
Car Battery Shows 13 Volts – What You Need To …
Fully charged car batteries usually measure at around 12.6 volts or above, with some instances of your car battery showing 13 volts. When the engine is running and functioning correctly, the car battery will …
Is a 13.07V alternator voltage too low?
Charge the battery so that it''s full. You can do this by driving around in the car for few hours continuously, or by a dedicated battery charger. Then when the battery is full, let it rest for an hour and repeat the test of the alternator charging voltage. Is the voltage still 13 volts?
Is 12.9-13.3 an acceptable alternator voltage?
First with car off, what is voltage, at battery? Start car, what is voltage at battery? Then check voltage at the charge post on back alt. Also a marginal battery will cause bad alt readings. Have battery load tested! alt output of less then 13.6 volts is bad in my book. ... 13.8 to 14.2 is the normal operating range of alternators, you are ...
Deep Cycle Battery Voltage Chart: A Comprehensive Guide
A battery with a voltage of less than 12 volts may indicate that the battery is not fully charged or is nearing the end of its life. You can also use a hydrometer to measure the specific gravity of the battery''s electrolyte. The specific gravity should be within the manufacturer''s recommended range. If the specific gravity is outside of ...
How Many Voltages Should A Car Battery Have?
The voltage values should measure at 12.6 volts or above when a car battery is fully charged; The measurement should be 13.7 to 14.7 volts when the car engine is running. ... For a car with a 12V engine, …
car charging at 14.9 volts
You could always pull the alternator and have it checked or run a temp wire from the large std on the alt to pin 2 to see if the voltage go back to the normal range. 13.2 to 14.2. The problem with high voltage is it kills stuff slowly, it will certainly over charge the battery and some electronics will get cranky.
Battery Voltage low when car is running. Should I be concerned?
I purchased the car 3 months ago not knowing the history of the battery, I wanted to test it. I measured the voltage across my battery using a voltmeter directly connected to the battery terminals. The following are the readings under different conditions: Engine is not running = 12.6V; Engine is running (idle ~800RPM) = 13.6V