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<blockquote data-quote="guywhofishes" data-source="post: 231857" data-attributes="member: 337"><p>I never check the water because I'm gellin'.</p><p></p><p><span style="color: silver"><span style="font-size: 9px">- - - Updated - - -</span></span></p><p></p><p></p><p></p><p>a charged battery can't freeze.</p><p></p><p>unhooking the wiring removes the ability of parasitic loss to sap your charge</p><p></p><p>a charged battery, disconnected from all wiring, is fine right where it is</p><p></p><p>blankets/insulation only accomplish heat loss prevention - a battery that's not being charged doesn't put out any heat - so there's no purpose to blanketing or insulating them (in a vehicle it can prevent short term cooling for the starting battery... but not months and months worth of cold in a boat)</p><p></p><p>just make sure it has water, charge it, then disconnect it so it doesn't lose charge over winter to parasitic loss (wiring, microprocessors, etc.)</p><p></p><p><span style="color: silver"><span style="font-size: 9px">- - - Updated - - -</span></span></p><p></p><p>Many older battery chargers charge too high (V) and thus they slowly "boil water" (not really - it's separating the hydrogen and oxygen of the h20)</p><p></p><p>so leaving them charging all winter results in excessive water loss </p><p></p><p>battery backup sump pumps do this - they'll fry batteries in short order if you don't babysit the water (i.e. they really suck)</p><p></p><p>by not charging all winter (or using modern really smart chargers) you don't have to worry about the water loss</p></blockquote><p></p>
[QUOTE="guywhofishes, post: 231857, member: 337"] I never check the water because I'm gellin'. [COLOR="silver"][SIZE=1]- - - Updated - - -[/SIZE][/COLOR] a charged battery can't freeze. unhooking the wiring removes the ability of parasitic loss to sap your charge a charged battery, disconnected from all wiring, is fine right where it is blankets/insulation only accomplish heat loss prevention - a battery that's not being charged doesn't put out any heat - so there's no purpose to blanketing or insulating them (in a vehicle it can prevent short term cooling for the starting battery... but not months and months worth of cold in a boat) just make sure it has water, charge it, then disconnect it so it doesn't lose charge over winter to parasitic loss (wiring, microprocessors, etc.) [COLOR="silver"][SIZE=1]- - - Updated - - -[/SIZE][/COLOR] Many older battery chargers charge too high (V) and thus they slowly "boil water" (not really - it's separating the hydrogen and oxygen of the h20) so leaving them charging all winter results in excessive water loss battery backup sump pumps do this - they'll fry batteries in short order if you don't babysit the water (i.e. they really suck) by not charging all winter (or using modern really smart chargers) you don't have to worry about the water loss [/QUOTE]
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