I prepare the batteries for winter on the boat by topping up the
electrolyte, fully charge the batteries, check the specific gravity of
all 12 cells looking for 1.260 or better, clean it, and disconnect
everything from them....some say disconnect only the negative,some say
the positive....I do both, beats deciding which one is the right one.
The single biggest threat or chance of an accident where I live is
freezing.....if the specific gravity is 1.260 or close, the temperature
would have to be something like minus -80 to -90 F
If that happens, 2 frozen, dead batteries will be the least of my problems.
Rob Abbott
AZURA
C&C 32 -#277
Halifax, N.S.
On 2018-11-30 9:23 p.m., dwight veinot via CnC-List wrote:
Rob Abbott’s method works but in addition i recommend disconnecting
the cable from the positive terminal
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