What type and size battery is best?
12-26-12, 09:20 AM
#1
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What type and size battery is best?
So its that time to finally change out my car battery. But I heard about some batteries not being able to fit correctly with the bracket. So I was wondering what are some of the batteries that you guys have in your UCF20? I was considering getting an Optima Redtop.
12-26-12, 09:53 AM
#2
Check your vehicle manual for the original equipment manufacturer's recommendations for:
Battery group size
Cold cranking amps (CCA)
Reserve capacity (RC) for your vehicle
Battery group size indicates the battery size that will best fit the physical dimensions of your vehicle. Many vehicles can accommodate more than one group size.
CCA is critical for good cranking ability. It's the number of amps a battery can support for 30 seconds at a temperature of 0 degrees F until the battery voltage drops to unusable levels. A 12V battery with a rating of 600 CCA means the battery will provide 600 amps for 30 seconds at 0 degrees before the voltage falls to 7.20 V (six cells).
RC helps to power your vehicle's electrical system if the alternator fails. It indicates the battery's "staying power" -- how many minutes the battery can supply ample power without falling below the minimum voltage needed to run your vehicle.
In general for both CCA and RC, the higher the number the better. HOWEVER, if you live in a cold climate, the CCA rating should be an important consideration in choosing a battery. Conversely, if you live in a high heat climate, you don't need as much CCA.
Via:
http://www.autobatteries.com/basics/selecting.asp
Battery group size
Cold cranking amps (CCA)
Reserve capacity (RC) for your vehicle
Battery group size indicates the battery size that will best fit the physical dimensions of your vehicle. Many vehicles can accommodate more than one group size.
CCA is critical for good cranking ability. It's the number of amps a battery can support for 30 seconds at a temperature of 0 degrees F until the battery voltage drops to unusable levels. A 12V battery with a rating of 600 CCA means the battery will provide 600 amps for 30 seconds at 0 degrees before the voltage falls to 7.20 V (six cells).
RC helps to power your vehicle's electrical system if the alternator fails. It indicates the battery's "staying power" -- how many minutes the battery can supply ample power without falling below the minimum voltage needed to run your vehicle.
In general for both CCA and RC, the higher the number the better. HOWEVER, if you live in a cold climate, the CCA rating should be an important consideration in choosing a battery. Conversely, if you live in a high heat climate, you don't need as much CCA.
Via:
http://www.autobatteries.com/basics/selecting.asp
12-26-12, 09:56 AM
#3
Lexus Champion
Optima is a gel type battery, it is a good battery, but rather expensive! 
the correct size for your LS400 is group size 24F - a smaller battery than this size can be made to fit, but not if you want to utilize the original bracket, etc.
if you are the type that sometimes leaves some accessory on inside the car and runs the battery down from time to time, consider a deep cycle marine battery, it is much harder to run down than a normal battery or even an Optima, and much cheaper than an Optima
I would only spend the money for a gel battery if I was truck racing or doing something like off-roading that might topple the battery over while in operation (which I once did at age 16 in my dad's F-100 truck, off-roading, and the battery being upside down when we got back home was kind of the giveaway on what my friend Wayne & I had been up to, rather than going to buy parts - lol)
the correct size for your LS400 is group size 24F - a smaller battery than this size can be made to fit, but not if you want to utilize the original bracket, etc.
if you are the type that sometimes leaves some accessory on inside the car and runs the battery down from time to time, consider a deep cycle marine battery, it is much harder to run down than a normal battery or even an Optima, and much cheaper than an Optima
I would only spend the money for a gel battery if I was truck racing or doing something like off-roading that might topple the battery over while in operation (which I once did at age 16 in my dad's F-100 truck, off-roading, and the battery being upside down when we got back home was kind of the giveaway on what my friend Wayne & I had been up to, rather than going to buy parts - lol)
Last edited by LScowboyLS; 12-26-12 at 10:05 AM.
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