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Good point! One of the possible solutions is a genset, working when the largest loads are present and taking the opportunity to charge the batteries. Another one is... A larger boat! In fact I could instal some 600w more but that would mean getting rid of a lot of the living space outside...

I'm still procuring the different parts. I'll need 16 Calb 200ah cells. A 200 amp bms. I only have room for two300w solar panels. I have a 70 amp alternator and I'm probably buying a 60 amp Sterling battery to battery charger, conecting the starboard fla starter battery with the house battery...

Thank you all for your help!

Another question, please. The seller states the following: Nominal Capacity 200Ah Nominal Voltage 3.2V Impedance 0.2~0.4mΩ Standard discharge current 200A Standard Charge Current 40A Max.charge voltage 3.65V Discharge cut-off voltage 2.5V Charge working temp. 0ºC~45ºC...

Thank you grizzzman!

Thank you so very much for the quick reply SolarRat. Does the Daly have low temp protection? Any idea on this one...

Hello all. I'm new to the world of solar and batteries. I need to make a 12v 400 Ah house battery bank for a boat and I have a few questions, please. Are CALB cells up to the job in marine environment? Since 200ah CALB cells cost aproximately 25% of the 400Ah ones, do anyone see any problem in...