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We are saddened to announce the passing of Gary Bunzer on April 17, 2020. We hope the RV Doctor website will continue to provide helpful information for you. Thank you for your interest and support for the RV Doctor - Debbie, Heather and Gretchen

Monday, March 23, 2015

RV Battery Capacity Question

Hey Doc, will two, T-105, 6-volt batteries be able to crank over and start a generator on a toy hauler? Frank C., (no city/state) 

Indeed and with plenty to spare Frank! But I assume you mean two, charged batteries, right? Two dead batteries of any make would have trouble. But Trojan T-105s are often used to provide DC power to a whole RV. That’s almost 450-plus amp-hours of storage capacity when configured into a 4-battery, series/parallel set-up and around 220-250 amp-hours when two are simply connected in series. If that generator won't crank, there's something else amiss. 


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