¿Is this not the point?
Avoid it. Very very hard to do multiple extremely shallow discharges unless you really try. This is what maintenance chargers are for. This is why I recommend periodic "top charges".
Loss overnight in a solar system would be less than a tenth of a percent worse case Stovepipe Wells in July.
Top charging STOPS this nonsense dead in its tracks. This reminds me of folks who would say something like, "Gee don't take an antihistamine, six cups of coffee, Xanax, and seven shots of Wild Turkey at the same time".
