> Nicklas, as soon as a lead-acid battery bubbles, it's losing water and > the plates cover with lead sulphate, increasing capacity and intrinsic > resistance. No, no.
You have to stop then then the lead-acid battery bubble like home brewn mesh. > I got myself a handful of cheap 74N137 stabilizers. These are made > espacially by Motorola to maintain a constant charging voltage of 13.7 V > which is the exact limit before the gassing occurs. The current they > deliver is limited to 1 A. I placed them inside the housing of several > 12 V DC wall warts together with a small electrolytic capacitor. The > transformers of these little power supplies give more than 15 V AC so > there is enough headroom for regulating. > Using those chargers the batteries of my vehicles are kept in perfect > shape all winter and in summer, too, when the tractor is not in use. I > have been using them for years now. > Peter It also works, there is a small change with temperature but can't remember exactly. _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
