Car Battery 13.8 Volts

138 25 amp voltage regulator. When your car is running the cars alternator is charging the battery this is why you should see a higher voltage.

Pin On Car Battery

To apply 138 volts to it.

. 144 is a 4 difference. 138 v wall charger. 138 from pc power supply.

138 vs 141 is virtually the same number 2 difference essentially in the noise of measurement. Free Curbside Pickup Available When You Shop Online. I ran a 100 foot length of 10 gauge from the batteries directly to the radio.

Perhaps youre not getting full voltage rectification out of your amplifier only 2 of 3 phases. AutoZone Has You Covered at Americas 1 Battery Destination. Listening to the radio for an hour however shouldnt discharge the battery so much that the engine wont crank.

12 volts is the standard automotive battery in todays vehicle and each of the battery has 6 cells with a voltage of 21. Inexpensive 138 power supply. 138 might be a little low OP but is still ok in my books.

A 12 volt battery contains 6 x 2 volt cells but 12v is the nominal voltage. Car Battery Shows 13 Volts What You Need To Know. And this is often for equipment that will be used in automobiles which have 12v batterieselectrical systems.

So I cliped the blue wire at the voltage regulator and at the alternator plug and spliced a new 16 gauge wire in its place from the VR to the alternator plug in. When it is not being charged but supplying a load like when you turn your headlights on but the motor is not running then the output voltage stays near 12 volts for a significant part of the discharge time. Ad Fast car battery installation wherever you are.

During charging up to 144v is used by bench chargers and solar controllers to get a full charge into the batterys. But AGM needs higher volts each model has its specs on the data sheet. Car Battery Starter 99800mAh 12V Car Jump Starter Power Pack With USB Cable 0.

A lower voltage like the 138 volts that lead-acid chargers often use for float charging will not fully charge a lithium iron phosphate battery. If the alternator is putting out too much voltage 15 volts it is likely your battery acid will boil over out. These lower voltage chargers are used to prevent too much overcharging because alternators are one step chargers and dont know when to stop charging.

A 12v car battery can be safely charged over a range of voltages. The voltage when the engine is running should be in the range of 135-147 volts. But most car alternators use either 138 very slow to charge or 14142v.

New battery alternator puts out 138 - Answered by a verified GM Mechanic. Purchased June 2021 w 59000 miles. When the engine is running and functioning correctly the car battery will fluctuate between 137 and 147 volts.

North Americas Largest Battery Store. Get the Battery You Need Today. Ad Need a New Battery.

A battery is a battery as long as its taken care of and has the specs as required for the vehicle. The same is true when measuring battery voltage to determine if a battery has gone bad. The white wire show a reading but the blue wire showed infinity or 1.

Cheaper than any dealership. You dont want to go much higher than that in voltage or youll damage the battery. DL24M-H 2-200V 600W 3mA-40A Electronic Load Voltage Indicator Power Bank Battery Tester 18650 Pack Capacity.

Fully-charged most car batteries will measure at least 126 volts 130-132V for OPTIMA YELLOWTOPs but low voltage doesnt necessarily equal a bad battery. I am now getting a 138 voltage reading at the battery when the car is on. Maybe outside the noise but pretty darn close.

I know that 138v minus 15 is within the realm of 12v but why is 138 the standard and not 12. This will go up if the batterys in use or if youre charging it. If youre readings are significantly higher or lower than these then it would indicate a fault with the battery andor the alternator.

The alternator is set to hold about that voltage to charge and maintain the battery at full charge. Fully charged car batteries usually measure at around 126 volts or above with some instances of your car battery showing 13 volts. Puts out 138 without battery 8 volts with new computer and starter fuses okay.

But as I scan the equipment brochures they all refer to 138v DC as their preferred voltage plus or minus 15. A car alternator needs to be putting out at least 13-14 volts ideally between 138 and 142 volts to effectively charge a 12 volt car battery. They are 225 amp hour 20 hrs.

Higher might require charging intelligence dropping to lower Float after battery is full. They are wired in series and parallel making a 12 volt system. 138 v is within the normal charging range.

The standard float charge voltage for 12 volt lead acid batteries was 138 volts although for more modern batteries often use a slightly different lead alloy which needs 142 volts. Radio is a Yaesu Ftdx 1200 requiring 138 volts plus or minus 10. 12 volt to 138 volt converter.

138 watt dc converter. Modern cars are very demanding from an electrical perspective even when theyre not being used. Ad Powerful Reliable Starting Power.

Circuit design increase 5 volts to 138 volts. 138V is a very common OUTPUT low end of the usual charging range if there is a UPS type GEL or LFP standbybuffer battery involved. Ask Your Own GM Question.

MikeB 2011 Premium Nav. For a used car I would not worry. This is the reason there are lots of 138 volt power supplies available.

Atx 138v power supply. If you measure it right after you start the engine after the car sits overnight it might read in the 14s but will return to the 138 v range over time as the engine runs. Im not sure exactly where it will stop charging but my guess is somewhere around 80 to 90 percent of charge.

Up to 25 cash back All of a sudden my car is not charging ONLY when the battery is connected.

12v 170ah Sealed Maintenance Free Car Battery 67018 High Cca Car Battery Free Cars Constant Current

Mf85 610 12v 60ah Marine Battery Bci Car Storage Battery In 2021 Battery Storage Car Storage Marine Batteries

12v 200ah Heavy Duty Truck Boat Battery N200 Heavy Duty Truck Boat Battery Constant Current

Pin On Car Battery

12v 45ah Maintenance Free Car Battery Din45mf In 2021 Car Battery Free Cars Constant Current

Hot Sale N70z 12v 75ah Dry Charged Car Battery In 2021 Charging Car Battery Car Battery Japan Technology

Hot Item Din62 12v62ah High Performance Maintenance Free Car Battery Car Battery Free Cars High Performance

Pin On Car Battery

55d23r 55d23l 12v 55ah My Power Volvo Battery In 2021 Car Battery Japan Technology Mazda Cars

Pin On Car Battery

Pin On Car Battery

Pin On Car Battery

12v 120ah 6 Qw 120 China Supplier Truck Battery Japan Technology Car Battery Constant Current

Pin On Car Battery

Pin On Car Battery

Pin On Car Battery

60038 Europe Battery 12v 100ah Mf Car Battery Din100 Car Battery Car Constant Current

Bci49 12v 88ah Hig Cca Auto Starting Car Battery Car Battery Car Constant Current

Hot Item 12v 70ah Private Label Automotive Batteries From China Shenzhen Manufacturer Manufacturing Shenzhen Private Label