And just to let everyone know how I ran this:
I had two of these plus my factory battery (900cca, 100 ah) plus a 220 Ohio Gen alt powering my Stetsom 4k2d. It worked great and I was close to getting just what I needed, but I really, for a long time, needed two batts that were a little bit bigger. I'm now getting 2 XS D3400s.
These little batts are badass for daily or for comps. I only slightly droppped voltage when I got into the 55/60 hz range so...
"When people think you have anger issues, your schedule clears up..."