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In a 24 volt truck system can I use one calsium battery and one lead acid? They have the same amp/hour and CCA rating. What will happen or what can go wrong if I do?

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  • Cars & Trucks Master
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Make sure the CHARGE rate on both batteries are the same. If not, then one will charge faster than the other and may heat up faster.

Posted on Dec 06, 2014

Testimonial: "The batteries are in series and charged with the standard 24 volt alternator. I was running with 2 lead acid batteries before. Due to a parts supply probem I am now using one calsium battery.what is the main difference between calsium batteries and lead acid. this is only a short term solution."

  • Lawrence Oravetz Dec 06, 2014

    Silver calcium batteries require a higher charge voltage. Measure the voltage at the battery terminals while it's being charged. Anything under 24 volts will not completely charge the battery.

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What would be the approximate ampre hours of and weight of an average five hundred cold cranks 12 volt car battery.


A lot depends on make and construction, but here is a good place to start.

Super Start Fleet & Heavy Duty - Battery

Line: SSB ' Part # 3ET

Jun 08, 2016 | Cars & Trucks

2 Answers

On land rover discovery handbook, it says need group size 24 battery, why in all battery stores say I need group size 34?


The size numbers you are referring to- 24 and 34, refer to the BCI group number of the battery. These numbers define the physical dimensions of the battery case- that's it!

It has nothing to do with the CCA [cold cranking amps rating] or AH [amps per hour rating], or the battery life.

BCI stands for Battery Council International; it is a trade association of manufacturers of original equipment (OEM) and after-market auto batteries. This association is responsible for setting the standards and testing dimension and sizes of lead acid batteries.

So, to sum it all up, the BCI 24 battery has the following dimensions: its Length 10.3" (260mm); Its Width is 6.8" (175mm); and its Height 8.9" (225mm)

The BCI 34 battery has the following dimensions: Its Length is 10.3" (260mm); Its Width is 6.8" (175mm); and its height is 7.9" (200mm)

Both batteries have the positive polarity on the left hand side and are located on the top of the battery; they are for automotive use and are SAE (Society of Automotive Engineers) approved standards.

The difference between the two batteries are in their dimensional height; the BCI 24 is 8.9'' whereas the BCI 34 height is shorter at 7.9" by 1".

As long as the battery tray and the battery hold down clamps can secure the BCI 34 in place, you should have no problems.

HOWEVER, should you decide to buy the BCI 34, make sure the CCA rating is the same or more than the BCI 24; that's where it counts the most in cold weather. And of course, the reserve Capacity rating (RC).

Never compromise the aforementioned by going with lower ratings when replacing a battery to save a few bucks, because it will cost you more money in the long run when having to call for AAA services or replacing the battery again because of its short life due to energy demands that automobiles of today command as a result of all the electronic components that are used during the operation of the vehicle or the paralytic draw (slow power drain of the ECM and its components) when not in use.

Feb 20, 2015 | 2004 Land Rover Discovery

2 Answers

What size battery for a 1998 dodge dakota v6 pick up truck


Size 24 or 27. I found this on the AutoZone website. You can too.
Good luck!

Sep 26, 2014 | 1998 Dodge Dakota

1 Answer

W crank


An unloaded reading of 10 Volts on a 12 Volt car battery is considered dead. There are 6 cells in a typical lead acid (car) battery - each provides 2 volts. They are internally connected in series to provide 12 volts on the + and - posts. If one is cell shorted out - you'd see 10 volts if fully charged. Trickle charge the battery for 24 hours and measure voltage again. If 12 volts, bring it to be load tested. that will tell you the true state of the battery.

Apr 22, 2014 | 1994 Chevrolet S-10

1 Answer

New battery dying after 24 hours if cars are not driven. All electrical tests OK, battery test OK ??? Alternator OK. Mechanic does not know what could cause it. What to do?


You will need to check for a draw on the system. you will need a volt meter that can measure amperage. Remove the positive battery cable from the battery. With the volt meter set to measure amperage place one lead on the positive battery post and the other lead on the positive battery cable. If you see more than .050 amps you have a draw. I would suspect that you have closer to .500 amp for the battery to go dead overnight.

May 17, 2013 | 2003 Dodge Intrepid

1 Answer

05 Chrysler Pacifica engine bucking , engine light comes on, battery light comes on. But battery is fully charged and alternator is working. When the battery comes out, it seems like the computer re


The Battery CCA Rating is to turn over the starter

CCA--Cold Cranking Amps
That is at zero degrees
Total cranking amps is at 32 degrees

The car runs off the alternator
It puts out over 14 volts

The 12 volt battery is 6 cells @1.2 v each = 13.2 v

You need 12.6 volts to test a car or you charge it first

You need over 13 volts to charge a battery,thus the alternator

The only other job the battery has is a stabilizer in the electrical
circuit

So you need to have the charging system diagnosed as the
various light you have on should be off when engine first starts

Dec 13, 2012 | 2005 Chrysler Pacifica

2 Answers

Battery tests at 12 volts but won't start but starts with jumper cables to other car


battery should be showing 12,45 - 12.6 volts when car is standing still. also batteries getting old colects sulphate on plates ,this degrades the cold start performance. you can see that cranking amperage on stickers of batteries. for example 90 amperes 750 cca battery is required for my car but les wont crack it even it is 90 amperes but 640 cca. mainly lead acid or dry type batteries needs to be charged more than %40 of its capacity. 12 volts is only the ~%25 of its capacity and it seems yours is dead already.

Nov 18, 2011 | Cars & Trucks

1 Answer

I need a new battery for my 1986 Oldsmobile ninety-eight regancy sedan. fully loaded. what type of battery would i need?


Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
A lead acid battery with the fallowing specs
group 75



Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet

Feb 27, 2011 | 1986 Oldsmobile Regency

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