I've seen 300-350 battery amps routinely from good 6v golf car batteries. There's a reason that 1980s converters used 400a controllers in their 96- 120v golf car battery conversions.
If your batteries have been on a "maintainer" for 2 years, there's a good chance that they now have significant positive grid corrosion from overcharging. That will cause increased internal resistance and thus lower peak power. Unless you're using them in a standby power system, and maybe not even then, batteries in storage are better off being cycled periodically (say every 1-3 months), not left on float chargers to rot. The higher their specific energy (meaning higher SG electrolyte), the more they suffer from grid corrosion. PS - I wouldn't call most cars or pickups with 16 golf car batteries "lead sleds." To deserve that label, the EV should have something near or over 50% of its weight in batteries. One infamous lead sled example was Robert Aronson's Mars IIs. They were tiny, flyweight Renault R10s converted with 20 (!) batteries. Some of their body seams literally opened up from the battery weight after 8-10 years. Bob Rice (RIP), who I'm pretty sure helped build the Mars II cars, described them as "elepants on roller skates." David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to "evpost" and "etpost" addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
