Mojn, I have two 12V gel batteries deep-loaded by service life; both were up around the 6V, both are now back up to the 11.8V, but the charger now stays for hours at each one at a constant 14.5V charge voltage, heating up properly without indicating that it wants to get ready. At least with one of the two batteries, the charging level remains relatively constant after disconnection, thus without significant self-discharge over the course of hours; the Of course, the charger does not remain on the grid when I leave the apartment, so that the respective charging process is always interrupted, also so that the loading ditch can cool down in between. The question is now whether it seems sensible to continue the charging processes? They are almost full, at least with regard to the voltage. Certainly there will be one or other user who has already done the same thing more or less successfully here? Perpetuated?