This is probably been hashed over a million times on this site I'm sorry... I was looking at oreillys batteries and they have a super start marine group... I have a 18' fiberglass boat with a 24v 75lb thrust minnkota w/ipiolt ... And have a helix 7g2n di and helix 5 g2.
Here are the two I'm looking at..
140 min reserv cap.
https://www.oreillyauto.com/detail/...nt-battery/24dcmj/4742528?q=Deep+Cycle+&pos=1
210 reserv cap.
https://www.oreillyauto.com/detail/...nt-battery/31dcmj/4742532?q=Deep+Cycle+&pos=5
Here are the two I'm looking at..
140 min reserv cap.
https://www.oreillyauto.com/detail/...nt-battery/24dcmj/4742528?q=Deep+Cycle+&pos=1
210 reserv cap.
https://www.oreillyauto.com/detail/...nt-battery/31dcmj/4742532?q=Deep+Cycle+&pos=5