Portable solar panel
We're not doing much off-the-grid camping, but occasionally we venture off the beaten path and promptly run out of juice with our Interstate class 27 deep cycle :) We're considering making some upg...
Forum Discussion
steveh27 wrote:
Last year I had replaced the cheap controller with the Solar 30 off ebay. MY SOC was 82, but I was not getting the amps expected. I finally read the new controller manual and checked the voltage cutoff limit. It was factory set at 13.7 v. I reset it to 14.8 and the amps went up from 1.1 to almost 4. Sweet to finally figure out how to do this.
IIRC - correct me if I'm wrong - this is a "single-stage" controller. Not a normal three-stage. They swap labels and model names in China, hard to tell what is what. So I might be wrong.
You set "seize-charge voltage", say, 13.7V, and charging stops when battery rises to 13.7. Then charging resumes again when voltage drops below 12.5 (or whatever the "reconnect voltage" is set to).
Basically, an On-Off floater. Setting it to 14.8V and leaving it there for more than a few hours might not be a good idea.
