I have two Group 27 deep cycle batteries ( 8 year old Great
Northern's)......have left them on the boat from day one....just checked
them today, both were 12.5V.....gave them a short charge (2 beers, one
beer, one battery charge).
Another club member, with Group 27's (don't know the brand) are now 12
years old and are keeping a charge.
When they can't hold their charge, (amp hours) they get replaced....not
before then.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2016-02-27 3:07 PM, Bradley Lumgair via CnC-List wrote:
Our 33 MkII has 2 group 27 deep cycle batteries that are 10 and 12 yrs
old, still starting and looking after the refrigerator, stereo, radio
and nav lights on "extended" day sails. We're always plugged in when
at dock. We select one battery for starting and the other for running
accessories, and alternate each sail day.
Batteries need to be covered! Beyond that I can't help you much.
Brad
Pulse C&C 33 MkII
Lake Huron
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