Peter:
I have been working at interfacing a set of SIs with LiFPO4 batteries. It is documented here <https://millersolar.com/MillerSolar/case_studies/36_SIFortress/36_SunnyIslandFortressIntegration.html> . Because the Sis are so SOc-centric they can be hard to intergrate with Lithium. William Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985 *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *Peter Giroux via RE-wrenches *Sent:* Friday, March 1, 2024 12:53 PM *To:* 'RE-wrenches' *Cc:* pgir...@mindspring.com *Subject:* [RE-wrenches] Older Sunny Islands charging newer Lithium's My fellow wrenchers. Have sought help from SMA but they just defer to owner’s manuals and the older batteries listed.. I have a customer with two SMA 5048’s, roughly 11 years old and appear to be working fine. Customer wants to move to LIPO batteries and keep his SMA’s. Has anybody made these transitions and how did you do it, not sure the SMA programing for LIPO’s works the way Lithium’s need. Any and all help and ideas appreciated. Thx Peter Giroux American Solar & Alternative Energy Solutions inc
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