27.2 would be much more appropriate for a float charge. Exact value depends on the battery manufacturer specs and temperature - check there for the right number. 24.2 or 25V is way too low, won’t get you a full charge, and reduce the life of the battery.
Mark > On May 11, 2017, at 12:35 PM, David Coudron <david.coud...@advantenon.com> > wrote: > > It was at 24.2V. We just turned it up to 25V. I am guessing that will > charge the batteries a little better? > > > > David Coudron > david.coud...@advantenon.com | Mobile: 612-991-7474 > > Advantenon, Inc. > i...@advantenon.com | 3500 Vicksburg Lane N, Suite 315, Plymouth, MN 55447 > | www.advantenon.com | Phone: 800-704-4720 | Local: 612-454-1545 > > > > -----Original Message----- > From: Af [mailto:af-boun...@afmug.com] On Behalf Of Seth Mattinen > Sent: Thursday, May 11, 2017 8:33 AM > To: af@afmug.com > Subject: Re: [AFMUG] MeanWell DR-UPS40 question > > On 5/11/17 4:14 AM, David Coudron wrote: >> We did initially give them a good charge, although I am thinking they >> are not getting charged fully after testing a rundown. We are watching >> the currently going into the batteries with the TPDIN, and that is >> showing zero current, but we are going to pull them off the system and >> charge separately once to see how they react to that. I am guessing >> the MeanWells will take quite a while to charge those up fully. We >> are using 14 ga stranded wire between all components in the system, >> except the AC feed. That is solid copper. > > > What's your DC power supply voltage output set to? >
