Lydia S.'s SVB Skipper Profile
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Lydia S. asked these questions
1
A question about:
Boat Batteries
Lydia S.
on Jul 30, 2020
Can anyone tell me if these batteries are suitable as service batteries for a sailing catamaran?
Answer:
W P. answered
on Jul 31, 2020
Hi Lydia, yes they are. But keep in mind the maximum allowed depth of discharge (DoD). Normally it is 50%, means, if you have a 100 Ah battery, you are allowed to use max. 50 Ah. VETUS recommends a DoD of 35% to achieve a lifespan of about 350 charge cycles. That means the batteries must be large enough to meet your energy needs without discharging them more than 35%. If you want consumer batteries to last longer, you should think about AGM batteries. VARTA Professional Deep Cycle batteries (e.g. #20803#) have approx. 800 charge cycles at 50% DoD.