The RG-28-7 is a Concorde Platinum Series Aircraft Battery. The Platinum Series is comprised of premium hand made AGM Aircraft Batteries with excess power for many applications.
Recombinant Gas - The RG Series are low resistance, valve regulated lead acid (VRLA) batteries.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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The terminals are as follows: 1 each 6-32 Screw and 1 each 8-32 female terminal with corresponding sized cap screws.