Battery Life

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Water Crafts
2017 SEA DOO GTI
#1
How long can I let my new GTI sit between rides without having to charge the battery.
 


JLK62

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Hartwell GA
Water Crafts
Two 2006 GTI SE 130
#2
I've been putting my batteries on a maintainer once a month for about 24 hours during the down season. Seems to be doing well for the past couple years. I just replaced a 5 year old battery that would no longer hold a charge for more than a few days.
 
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Water Crafts
2017 SEA DOO GTI
#3
I've been putting my batteries on a maintainer once a month for about 24 hours during the down season. Seems to be doing well for the past couple years. I just replaced a 5 year old battery that would no longer hold a charge for more than a few days.
I use a Battery Tender Jr. on 2 of my cars, leave them connected almost all of the time. If I use one on the SEA DOO, what do I connect the black (negative) alligator clip to, part of the engine, or the trailer?
 

mkov608

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Location
Pensacola, FL
Water Crafts
1995 XP (sold)
1999 GTX Limited (sold)
2X 2002 GTX 4-tec
#4
How long can I let my new GTI sit between rides without having to charge the battery.
It depends on they type of battery you have. The charger type matters too; it must be capable of charging the type of battery you have. Black clip goes to the negative battery terminal.
 

skiasylum

Active Member
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Location
MSP
Water Crafts
2011 Sea-Doo Wake Pro 215
#5
There is a ! WARNING ! In my service manual to “ Never charge or boost battery while installed in watercraft”
 

mikidymac

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2003 GTI
2001 XP
1997 GSX
1996 XP
1996 HX
1996 SPX
01' Superjet
#6
It is always much safer to disconnect the battery from the ski then charge it.

Btw: this was my 12th season on my boat batteries using a battery tender whenever they were not in the boat. Yes, they are the original Optima Blue Tops that came with my boat brand new in 2006.
 
Last edited:
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Water Crafts
2017 SEA DOO GTI
#7
I suspect the main reason SEA DOO says not to charge the battery while in the boat is the close proximity to the gas tank.
 

mikidymac

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2003 GTI
2001 XP
1997 GSX
1996 XP
1996 HX
1996 SPX
01' Superjet
#8
I suspect the main reason SEA DOO says not to charge the battery while in the boat is the close proximity to the gas tank.
That and the fact that when a flooded battery is charging it produces hydrogen gas which can also go Boom.
 

Claytor

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Location
Virginia
Water Crafts
Kawasaki Ultra 150 (sold)
Sea-Doo Wake 155
Moomba LSV
#9
The flooded battery that came with my ski died after 2 seasons. I always pull the battery and keep it on a tender during winter. I don't have power available where I park my ski during the summer but 3 years on an AGM battery currently with no problems. I keep my boat on a battery tender year round in a lift and the original battery lasted 12 years.
 
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Water Crafts
2017 SEA DOO GTI
#10
My SEA DOO came with an AGM battery. I have had AGM batteries in my Miatas for many years and have had them last for 8-10 years. Battery Tender instructions call for the black (negative) wire to be grounded on the car body and not connected to the battery. Shouldn’t that also apply to the SEA DOO?
 

mikidymac

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2001 XP
1997 GSX
1996 XP
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1996 SPX
01' Superjet
#11
My SEA DOO came with an AGM battery. I have had AGM batteries in my Miatas for many years and have had them last for 8-10 years. Battery Tender instructions call for the black (negative) wire to be grounded on the car body and not connected to the battery. Shouldn’t that also apply to the SEA DOO?
My battery tenders have only ever been connected to batteries out of the vehicles, on a rubber mat on the garage floor so no ground wire to the car body and never had a single issue.
 
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264
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Location
CT
Water Crafts
2017 Spark
#12
direct to the battery is always the best route. otherwise you are putting into play any corrosion or resistance of the battery cable into play.
 

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