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01 May 2007, 17:00
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#1
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Member
Country: UK - England
Town: Cowes, Isle of Wight
Boat name: TiLT 2
Make: Avon Adventure 620
Length: 6m +
Engine: Optimax 135
MMSI: 235032203
Join Date: Sep 2005
Posts: 1,641
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Batteries
I need to get a new main battery for starting the engine etc.
Is there such thing as a 'marine battery' or are they normal domestic car batteries?
Thanks in advance.
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01 May 2007, 17:06
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#2
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Member
Country: UK - England
Town: Cowes, Isle of Wight
Boat name: TiLT 2
Make: Avon Adventure 620
Length: 6m +
Engine: Optimax 135
MMSI: 235032203
Join Date: Sep 2005
Posts: 1,641
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Mercury website
From the Mercury website, I need:
OptiMax Models
2.5L/3.0L -- 1000 Marine Cranking Amps (MCA) or 750 Cold Cranking AMPS (CCA)
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01 May 2007, 17:10
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#3
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Member
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
MMSI: TBC
Join Date: Dec 2006
Posts: 4,021
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If you don't mind spending some money speak to these guys about a sealed battery they cost in excess of £120 however they are the dogs nuts and com with a 5 year warranty.
http://www.power-store.com
The company is actually called Merlin and they are based in Poole.
Chris
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01 May 2007, 17:53
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#4
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Member
Country: UK - England
Town: Chesterfield
Boat name: Sea Quell
Make: Picton Cobra
Length: 5m +
Engine: Mercury 150 4 Stroke
MMSI: 235038298
Join Date: Sep 2003
Posts: 1,095
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You may want to have a look in Halfords :
Model B768
Calcium technology, 4 year warranty
700 CCA 130ah
£99.00
Nice and compact
Jeff
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01 May 2007, 18:24
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#5
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Member
Country: Other
Town: Principalite d'Chaos
Boat name: The Nashers Revenge!
Make: Windsor Brothers
Length: 6m +
Engine: Optimax 225
MMSI: "Mmmmm SI" she said!
Join Date: Jan 2004
Posts: 4,924
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I use standard Halfords Car batteries.
The one I had in my old Flatacraft lasted 3 years worth of not being used/charged/maintained in any way for 6 - 7 months of the year, and was still fine when I sold the boat. It cost less than £30
It even survived being swamped several times and a complete inversion for about 10 mins.
The two I have in the current boat are now 2 years old, one 80AH and one 110AH, and together cost less than £100. They are Fine at the moment.
I share the load/charging on them by using the big one outbound and for starting the very cold engine, then switch to the small one for the return journey.
They are of course covered for 4 years, and Halfords don't know you're not using them in a car.
Nasher.
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01 May 2007, 18:43
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#6
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Member
Country: Italy
Town: Ravenna
Boat name: isla II
Make: sessamarine
Length: 6m +
Engine: otboard yamaha f 150
Join Date: Apr 2007
Posts: 7
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Quote:
Originally Posted by Andy Moore
I need to get a new main battery for starting the engine etc.
Is there such thing as a 'marine battery' or are they normal domestic car batteries?
Thanks in advance.
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no problem, you can use the normal batteries for car, verification only the amper of cue that needs your engine. 20 years that them use, never a problem
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01 May 2007, 19:37
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#7
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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I have given up on fancy expensive batteries - they never seem to last as long as they claim - much better to get a cheapy and replace every 3 years or so.
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01 May 2007, 20:26
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#8
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Member
Country: UK - England
Length: 6m +
Join Date: Jan 2006
Posts: 60
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Perhaps you should just not leave it on board all winter you lazy sod.
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01 May 2007, 20:55
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#9
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Quote:
Originally Posted by Wight Skipper
Perhaps you should just not leave it on board all winter you lazy sod.
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It takes 2 days to fill my boat with rain water in the winter on it's mooring - I think the battery is pretty essential to operate the pump......
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01 May 2007, 23:52
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#10
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Member
Country: Ireland
Town: Galway
Boat name: rockhopper
Make: ballistic
Length: 6m +
Engine: petrol
MMSI: TBC
Join Date: Nov 2006
Posts: 525
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Lead acid are the cheapest
Sealed are dearer and better
Gel based batteries are the best.
The type of use such as short runs etc will be the deciding factor.
If you go on long runs then Lead acid of sufficient poke and torque demand are more than sufficient. They do not last as long on short runs and stop starts as long as the latter.
If you do not look after a lead acid over the winter and if you let it run down fully, it will never hold the same charge again.
There is a science behind all this that you dont really need to know as budget normally decides anyway.
Do a search under other stuff on this web and it will throw up a previous post.
If using lead acid, trickle charge it on a timer (weekly) for a half hour. Its easy to set this up and leave in situ and the L.A. Battery will last a longtime.
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02 May 2007, 06:29
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#11
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Member
Country: UK - England
Length: 6m +
Join Date: Jan 2006
Posts: 60
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Sorry Cod! Not you. I was answering Andy (who I do know by the way!)
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02 May 2007, 10:02
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#12
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Member
Country: UK - England
Town: Cowes, Isle of Wight
Boat name: TiLT 2
Make: Avon Adventure 620
Length: 6m +
Engine: Optimax 135
MMSI: 235032203
Join Date: Sep 2005
Posts: 1,641
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Quote:
Originally Posted by Wight Skipper
Perhaps you should just not leave it on board all winter you lazy sod.
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02 May 2007, 10:15
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#13
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RIBnet supporter
Country: UK - England
Town: Rutland
Length: no boat
Join Date: May 2006
Posts: 2,500
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Hi
I got a C31-1000 marine starting battery from Energy Batteries 1000 cca 200amp/hour £105.75 + vat
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03 May 2007, 08:41
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#14
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Member
Country: UK - England
Town: Bursledon
Boat name: Mustard
Make: Ribeye 785
Length: 7m +
Engine: Yamaha 200/Merc 6
MMSI: 235068693
Join Date: Oct 2006
Posts: 618
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Have a look at: http://www.sterling-power.com/
These guys make great kit and talk a load of sense, as far as I am concerned.
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