Edd — the EchoCharge (or a Combiner) will allow current to pass to the start battery any time there’s charge current available. In the case of the EchoCharge, it will limit it to a certain number of amps, from the total available; in the case of a combiner, it basically makes the house bank and start battery into one big sink for the charge current. So the start battery (which will require fairly minimal recharging) should get topped off pretty well during your 20-min. motoring; and your solar can finish it off.
Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( On Jan 30, 2015, at 3:59 PM, Edd Schillay via CnC-List <[email protected]> wrote: > Fred, > > Thanks (and thanks to all who have provided advice and diagrams — LOVE > this f-in list!!) > > So here’s my concern, which may be a non-issue because I’m not > understanding it correctly: > > As I understand it, the Echo charger will transfer charge to another > bank when the primary bank is full (correct?) Since I mainly run the engine > for 20 minutes or so powering out to a start line on a Wednesday Night, and > if 20 minutes is not enough time to effectively charge the house bank, would > the starting battery then not get charged? And if so, would I not eventually > drain the starting battery to the point that I can’t start the engine without > combining? > > > All the best, > > Edd > > > Edd M. Schillay > Starship Enterprise > C&C 37+ | Sail No: NCC-1701-B > City Island, NY > Starship Enterprise's Captain's Log
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