For most all my systems I have installed the EG4 charger. Often the generator interface with many IOS’s doesn’t work all that well. And most importantly if someone does something stupid and gets a shut off battery they now have a charger that will do a dark start.
jay > On Oct 17, 2026, at 9:26 AM, Jason Szumlanski > <[email protected]> wrote: > > I have TWO EG4 Chargeverters for this purpose that I lend out to clients. The > issue has become such an epidemic that I need a backup to my backup. > Sometimes I need to leave one on site, so I have a second one so I can always > help someone in a dire situation. And I charge dearly for this service, so > some clients have elected to purchase a chargeverter to have on standby. > > The output voltage is selectable. They work very well. They accept 120V or > 240V input and handle ugly generator power like a boss. > > This is why I strongly steer my clients away from open loop. I have had too > many EG4 banks die on Sol-Ark inverters or similar setups, requiring a dark > start. > > > Jason Szumlanski > Principal Solar Designer | Florida Solar Design Group > NABCEP Certified Solar Professional (PVIP) > Florida State Certified Solar Contractor CVC56956 > Florida Certified Electrical Contractor EC13013208 > > > > > On Fri, Oct 16, 2026 at 1:45 PM Jay <[email protected] > <mailto:[email protected]>> wrote: >> Iota and powermax will dead start. >> >> Professionally investing in a eg4 charger or similar is a good idea. >> Adjustable volt/amp setting. 120/240 input. >> >> Jay >> >> >> >>> On Oct 16, 2026, at 11:29 AM, John Blittersdorf >>> <[email protected] <mailto:[email protected]>> wrote: >>> >>> >>> >>> Ditto on Meanwell power supplies. I only had a 2 amp version but overnight >>> it brought the EFlex up to 40 v so then put an iota 13 amp charger on it to >>> bring it up to match the others. I have used the Iota DLS 54-13 for >>> rebooting and with a 2000 W or equivalent small generator, and charged an >>> eVault and kept a rental ski house alive on a holiday weekend with a Honda >>> 2000 when their Kohler died. The renter was game for refueling the Honda >>> when needed >>> >>> John Blittersdorf >>> >>> On Fri, Oct 16, 2026 at 12:28 PM Nick Lucchese <[email protected] >>> <mailto:[email protected]>> wrote: >>>> Chris, >>>> >>>> I provide a Meanwell HLG-150H-54A for all of my systems that get a new 48v >>>> LiFePO4 battery. I sometimes hardwire it to the bus with a breaker clearly >>>> labeled and sometimes just provide it with some alligator clips. They've >>>> provided the expected result every time. They're very affordable and can >>>> be sourced affordably from Zonna as well as others. Seems like Fortress >>>> would have some options to recommend though for sure. Odd. >>>> >>>> Enjoy your weekend, Nick >>>> >>>> On Fri, Oct 16, 2026 at 8:51 AM Chris Schaefer <[email protected] >>>> <mailto:[email protected]>> wrote: >>>>> G'day All, >>>>> >>>>> Received a distressed call from another installers client on a twin set >>>>> Fortress eFlex 5.4 kwh batterys with an OB Flexware 500 system. The >>>>> battery voltage is 35. Thus I'll need to charge each one individually to >>>>> bring them into the 49v range. So many options when it comes to chargers >>>>> but I'd like to know what y'all are using with positive results. Fortress >>>>> tech was unable to provide me with any options which I found odd. >>>>> >>>>> Appreciate the help, >>>>> Christopher- >>>>> Chris Schaefer’s >>>>> >>>>> Tel 585-229-2083 <tel:(585)%20229-2083> or Cell 585-748-1870 >>>>> <tel:(585)%20748-1870> >>>>> 5115 S Hill Road ~ Canandaigua New York 14424 >>>>> <https://www.google.com/maps/search/5115%0D%0AS+Hill+Road+~+Canandaigua+New+York+14424?entry=gmail&source=g> >>>>> www.solarandwindfx.com <http://www.solarandwindfx.com/> ~ E-mail: >>>>> [email protected] <mailto:[email protected]> >>>>> >>>>> Thomas Jefferson, the author of our great Constitution, once said, >>>>> "democracy" will cease to exist when you take away from those who are >>>>> willing to work and give to those who would not." >>>>> >>>>> _______________________________________________ >>>>> List sponsored by Redwood Alliance >>>>> >>>>> Pay optional member dues here: http://re-wrenches.org >>>>> <http://re-wrenches.org/> >>>>> >>>>> List Address: [email protected] >>>>> <mailto:[email protected]> >>>>> >>>>> Change listserver email address & settings: >>>>> https://lists.re-wrenches.org/mailman/options/re-wrenches_lists.re-wrenches.org/ >>>>> >>>>> There are two list archives for searching. 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