>From: Lawrence Rhodes via EV <[email protected]> >There used to be a Canadian charger company that had a desulfator function. >Sol.... something. Can't remember the name. Can someone remember or recommend >an inexpensive charger/ desulfator. I am going to use Genesis 12v 13 ep. 4 in >series. I want to use four small chargers.
"Desulfator" is usually marketing doubletalk. All it means is that the charger can apply a higher-than-usual voltage at lower-than-usual current to a very dead battery. The doubletalk will make a big deal about their secret proprietary pulsed charging algorithms. But, most plain old dumb car battery charger consists of nothing but a transformer and rectifier; they inevitably deliver over 16v of pulsed charging current into a completely dead battery. If you don't let your batteries run too dead, you'll never need to "desulfate" them anyway. If you *do* run them that dead, nothing is going to recover more than a fraction of their original capacity anyway. It's cheaper to buy a new battery than pay for some expensive "desulfator". These things are sold mainly for car batteries, where even 1% of their original amphour capacity is still enough to start the car (3 seconds at 300 amps is only 0.25 amphour). I have a couple of EV lawnmowers. The chargers that came with them were junk (battery killers). I use individual 12v chargers (Ault brand), built for electric wheelchairs. The 3 batteries in one are all still good, and the 2 in the Robomower are now over 10 years old. -- Excellence does not require perfection. -- Henry James -- Lee A. Hart http://www.sunrise-ev.com _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
