Why can't I get a TRUE Deep cycle battery anymore?

pjw73nh wrote:
BFL13. All of my camping is dry camping. No AC available. I guess I don't have a specific number of AH. But I'd like to be able to go 4-5 nights parked without dropping down so far that the refer starts to reset. I believe it needs min 9.75vdc to run on LP for the control circuits. I have a WFCO converter that I converted to a PD 4655 switching PS, a non-mounted, 100 watt, Renogy Mono-Crystalline solar that I relocate throughout the day to achieve best sun. No permanent generator. I do carry a Honda 3k on the trips where I expect to experience extreme temps for the few hours I need it, but I dislike carrying it and the fuel for it. All my lights have been converted to LED. I am very conservative in my use of the water pump. Hardly ever use the heater or hot water (DSI). The one luxury I indulge in is the Fantastic fan. I like to run it on 1 or 2 all day long. I do need to run a CPAP for 6-8 hours per night. Draws between 35 and 90 watts depending on the settings.

LWiddis, Thank you. I'll look into the Trojans, though I think they may still be a little more than I need. But I can be convinced.

Dessert Capt. Thanks. I've got a good B+ close by and I have a VERY good relationship with them (business). I am really fond of Interstates (I use them in my cars).

JPlante. Tnx for the reply. I like the idea of 2 GC2s but as I mentioned, I don't think I have the room on the trailer A frame to mount them. Too wide for two.

KTMRFS, Thanks for taking the time to reply. I don't know your camping habits, but I wonder if perhaps you and I are very different. We NEVER camp where there is power. The only power we ever get is when leaving home fully charged, charging while driving (minimal), and solar. Occasionally we will stay with friends for a day and plug in. Most of our trips are 4-5 days of boondocking. The only thing that ever came close to lasting for us was my 2 GC2 setup. As I said it lasted 4-5 years and then we sold the trailer with them still performing pretty well. I have to think that if you're getting these extreme liftimes out of your batteries, you may be spending way more time (revolving your life around) battery maintenance. I don't know this, and I'm not judging. I do know that I will put a reasonable effort into maintaining my batteries, but I am not going to devote a major effort to it. I've been into RVs for 30 years, have a pretty good electro-mechanical knowledge of all RV systems and for the 8,10,12,15 years of life, with the deep discharges you are claiming, I have to say in all my RV time, I've never heard of such great results. I hope to learn your secrets. Thank you.