Reduced weight = more horsepower!
You don’t have to have a McLaren P1 or a Porsche Boxster to have a lithium battery in your vehicle! An EarthX lithium battery not only provides insane cranking power but also last much longer than a lead acid battery, they do not freeze, boil, sulfate, or corrode and to top all that off, they are 80% lighter than a lead acid battery too. Lithium batteries are not inexpensive and are ideal for performance automobiles where weight and power are essential. To reduce the costs to make it an affordable option, a lithium battery has less amp hours than a typical lead acid battery. If you drive every day, your charging system will keep your battery charged but if you want to sit with your engine off and listen to the radio, be aware you have less energy to do this!
To choose the correct battery for your automobile you need to first consider the amount of current your alternator puts out. Once you know your max output of amperage your alternator puts out, then you need to know how much cranking amps you need to turn the engine over. Match those up and you know which battery to choose.
- The ETX1200 is 6.9 pounds and is designed for 120 amp alternators or less with 1200 Peak Cranking Amps (PCA).
- The ETX900 is 4.9 pounds and designed for an 80 amp alternator or less with 840 Peak Cranking Amps (PCA).
- The ETX680/ETX680C or the ETX36 series is 3.9-4.1 pounds and is designed for 60 amp alternators or less with 680 Peak Cranking Amps (PCA).
If you have more than 120 amp alternator, you will have to put 2 batteries in parallel to handle the current. Click here for tables and detailed explanation about this: http://earthxbatteries.com/lithium-battery-series-parallel-operation
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