Starting Batteries
Cranking or Starting battery, this simply means the battery has capacity when correctly sized to start an engine. A larger engine requires a larger battery and the extra volume within the battery gives more surface area for the plates to create a larger chemical reaction to produce more current to start your vehicle/engine.
AGM batteries are designed to have a higher energy density and therefore a higher cranking output. Many times a smaller AGM battery can easily start a vehicle that might have typically had a much larger battery in it. Lithium batteries have a higher energy density again and while there are other considerations with a different type of chemistry they are even smaller and much lighter than AGM batteries because they don't contain a heavy metal (lead).
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Pulse Hot Cranking Amps |
Cold Cranking Amps |
Hot Cranking Amps |
Marine Cranking Amps |
Nm max torque on terminal |
mΩ Internal Resistance |
Short Circuit Current |
1200 | 550 | 860 | 725 | 6.8 | 3.2 | 1500 |
42Ah @ 20hr rate - that's 2.1A for 20 hours until the battery voltage is 10.5V
40Ah @ 10hr rate - that's 4A for 10 hours until the battery voltage is 10.5V
Reserve capacity 78 minutes at 25A discharge
Used as reserve power and cranking battery in Polaris RZR. Power to start your 440 cubic inch 6000cc engine for race, road and drag.