HI Darryl, What size battery are you looking for? In a battery enclosure etc?
jay peltz power > On Jan 19, 2018, at 10:25 PM, Darryl Thayer <[email protected]> wrote: > > I am about to order AGMs for two backup power systems, help, they will be in > float all the time (except for emergencies. I have a set of C&D pure lead > that was installed in 2003 and are still serving, the Last cycle was last > July for a two-day outage, What batteries do you recommend? > > On Fri, Jan 19, 2018 at 10:26 PM, William Miller <[email protected] > <mailto:[email protected]>> wrote: > Friends: > > I had a similar experience with Trojan vented L-16s about two years ago: all > of a sudden the product would not perform as it used to. A vendor let slip > that plate chemistry had been modified. I was later told that charge voltages > needed to be higher than ever recommended previously-voltages difficult to > achieve off-grid. This product degradation has been discussed here. Likewise > it was helpful to corroborate experiences. Thanks, everyone! > > William Miller > > > On Jan 19, 2018, at 4:12 PM, Maverick Brown <[email protected] > > <mailto:[email protected]>> wrote: > > > > Same here! We use mostly SunExtender and have had the same issue. As far as > > I know, they are the same battery with different labels. I have had some > > success in being a LOT more aggressive with voltages & times and sometimes > > going above FLA settings to get banks to recover and perform closer to > > spec. Makes me nervous though, since more than 50% of a customer’s > > investment can just vaporize with what one thought was appropriate charge > > settings. I suggest EQ as the new norm for AGMs, especially in > > grid-tied-battery-backup cases and where off-grid use does not give > > adequate absorb time. > > > > > ___
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