Reply To: SPF5000ES powers only with battery issue Home › Forums › Solar Power › SPF5000ES powers only with battery issue › Reply To: SPF5000ES powers only with battery issue 2024年1月5日 at pm7:27 #12702 R DParticipant The chip remained at end for check. I succeeded to clean the protective varnish from the top. The name is hard to guess. But you named it 2845. Thanks I will come back with feedback. This reply was modified 1 year ago by R D. This reply was modified 1 year ago by R D.