Susan,Wal-Mary, among others, should be willing to do a free test.  Their 5 year battery is a good replacement choice, even though not a "marine battery".  I have never seen a need for the more expensive battery in our LED world.  Best,Art Czerwonkys/v MaryJane

Sent from Yahoo Mail on Android 
 
  On Sat, Apr 21, 2018 at 9:39 AM, Susan Crane<scranevmd at verizon.net> wrote:   How often should marine batteries be replaced?  I have had my boat for 3 1/2
years and don't know how old the batteries were when I bought it.  Can they
be tested or should I just think about replacing them this year?  I
certainly don't want to wait for a battery failure since my outboard is
electric start and I am installing an auto tiller this year as well.  Thanks
for any help.

Susan Crane
s/v Whimsy
Bohemia River
Chesapeake Bay

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