Echo chargers can work well. They need all charging sources (other than a two bank battery charger maybe..) led to the house bank and no loads other than the engine itself on the start bank. If one battery is a gel the other one has to be as well. AGMs will get along with wet cells OK in this application. There are a bunch of them on FleaBay right now for about $130.
Joe Della Barba Coquina C&C 35 MK I From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rich Knowles via CnC-List Sent: Thursday, May 08, 2014 10:23 AM To: Michael Brown; cnc-list Cnc-List Subject: Re: Stus-List Charging with engine, was mixed batteries Michael: Can you please explain why you say the Echo Charge is not a solution? I have had one on my boat for 11 years now with never a flat battery and no overcharging problems. Ditto all the boats I have installed them on. Rich On May 7, 2014, at 12:11, Michael Brown via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: There is no single charging profile that works when you are trying to charge a barely discharged smaller starting battery and a large fully discharged house battery in parallel. Workaround - see solutions below. Note that a Voltage Sensitive Relay or Echo Charger can help a bit but is not a solution.
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