Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 23-12-2013, 13:24   #1
Registered User
 
Rusty123's Avatar

Join Date: Sep 2013
Location: Bremerton, Washington
Boat: Spirit 28
Posts: 119
Starting battery recommendations

I modified my battery compartment to provide room for a larger house bank (4 x 6v), but by doing so, I no longer have room there for a starting/reserve battery. So I need to buy and install one somewhere else. Since space is at a premium, smaller would be better.

From another thread on another site, it was suggested that a small battery like a U1 lawn and garden or an Odyssey PC925 or PC545 would be adequate for my Yanmar 2QM15. While they're a little less CCA, and more expensive, the Odyssey batteries can be mounted on the side, which would be useful.

Anyway, before I pull the trigger, I thought I'd post here to see if anyone has first hand experience with using a small battery like this for starting service.

One nagging concern I have is with cold weather performance, particularly with my engine, which does not have glow plugs. While we sail year-round in Puget Sound, it can get a little chilly in the winter, and without glow plugs, it isn't unusual to take 10 or 15 seconds of cranking to fire up.

Interestingly, the Yanmar service manual specifies a starting battery with 70AH minimum capacity (no CCA listed). That's pretty big -- the Odyssey PC925 is only 28AH (20 hour rate). But that might be because the boat only came with a single battery.

Comments appreciated.
__________________

__________________
Rusty123 is offline   Reply With Quote
Old 23-12-2013, 13:34   #2
Registered User
 
ontherocks83's Avatar

Join Date: Aug 2013
Location: Lake Winnipesaukee
Boat: Catalina 30
Posts: 597
Re: Starting battery recommendations

The small conveniently placed and sized battery now, will most likely be what you are swearing at and throwing over board in a fit of rage when it fails you. Especially when you realize that if you had put in a group 24 or 27 you most likely wouldn't be having the same problem.....That's all hypothetical of course
__________________

__________________
-Si Vis Pacem Para Bellum
-Molon Labe
ontherocks83 is offline   Reply With Quote
Old 23-12-2013, 13:58   #3
Moderator
 
Pete7's Avatar

Cruisers Forum Supporter

Join Date: Aug 2009
Location: Solent, England
Boat: Moody 31
Posts: 5,547
Images: 14
Re: Starting battery recommendations

I have the Redflash 1100 to start a Volvo 2003 which is similar to the Odyssey. Only it doesn't work during the winter. The 2003 takes several bursts of 30 seconds to start in the cold winters and the Redflash doesn't have it. It will turn the engine over and for a long time, just not fast enough to generate the heat to start the diesel.

The solution is to try it on the Redflash with a squirt of WD 40 and if it doesn't fire then switch in the house bank which makes all the difference.

With a modern engine and cold start plugs these little batteries would be fine.

Pete
__________________
Moody 31 - April Lass
Pete7 is offline   Reply With Quote
Old 23-12-2013, 15:10   #4
Senior Cruiser
 
roverhi's Avatar

Cruisers Forum Supporter

Join Date: Aug 2005
Location: Kona, Hawaii
Boat: Pearson 35 #108
Posts: 3,793
Send a message via Yahoo to roverhi
Re: Starting battery recommendations

We met a couple on a trimaran who had downsized the starting battery to save weight. After they replaced the third starter in a short time, they figured out it was the too small battery burning up the starters. Unfortunately, by that time the travails with the starter had created so much stress in the couples relationship that they cut their cruise short and soon divorced.
__________________
Peter O.
'Ae'a Pearson 35
roverhi is offline   Reply With Quote
Old 23-12-2013, 15:22   #5
Registered User
 
Rusty123's Avatar

Join Date: Sep 2013
Location: Bremerton, Washington
Boat: Spirit 28
Posts: 119
Re: Starting battery recommendations

Quote:
Originally Posted by roverhi View Post
We met a couple on a trimaran who had downsized the starting battery to save weight. After they replaced the third starter in a short time, they figured out it was the too small battery burning up the starters. Unfortunately, by that time the travails with the starter had created so much stress in the couples relationship that they cut their cruise short and soon divorced.
For want of a nail...
__________________
Rusty123 is offline   Reply With Quote
Old 23-12-2013, 15:52   #6
Formerly WaterwayGuy
 
AnchorageGuy's Avatar

Community Sponsor

Join Date: Mar 2003
Location: Wherever the boat is!
Boat: Marine Trader 34DC
Posts: 4,122
Re: Starting battery recommendations

Do yourself a favor and get a group 27 battery and spend the dollars on cables to mount the battery where you have space. On a 28 foot boat, that shouldn't be very far. Chuck
__________________

The Chesapeake Bay, ICW Hampton Roads To Key West, The Bahamas

The Trawler Beach House
Voyages Of Sea Trek
AnchorageGuy is offline   Reply With Quote
Old 23-12-2013, 16:00   #7
Senior Cruiser
 
RainDog's Avatar

Cruisers Forum Supporter

Join Date: Jun 2009
Location: Port Aransas, TX
Boat: Pacific Seacraft 34 #142
Posts: 862
Re: Starting battery recommendations

Quote:
Originally Posted by roverhi View Post
We met a couple on a trimaran who had downsized the starting battery to save weight. After they replaced the third starter in a short time, they figured out it was the too small battery burning up the starters. Unfortunately, by that time the travails with the starter had created so much stress in the couples relationship that they cut their cruise short and soon divorced.
Downsized to what?
RainDog is offline   Reply With Quote
Old 23-12-2013, 16:03   #8
Senior Cruiser

Cruisers Forum Supporter

Join Date: Jul 2006
Location: Chesapeake Region
Boat: 42' Bob Perry sloop
Posts: 3,438
Images: 4
Re: Starting battery recommendations

Lifeline makes a sweet little AGM battery which is perfect for those needing a small but powerful starting battery. It's the GPL-1400T. It measures just 9.75" L x 5.0" W x 6.8" H.

It is sealed and can be installed in any position. It's designed for marine applications. Lifeline Batteries - Marine & RV Deep Cycle Batteries

I've installed two of these in clients' boats, and they seem to work very well.

Bill
__________________
btrayfors is offline   Reply With Quote
Old 23-12-2013, 18:22   #9
Registered User
 
Rusty123's Avatar

Join Date: Sep 2013
Location: Bremerton, Washington
Boat: Spirit 28
Posts: 119
Starting battery recommendations

Quote:
Originally Posted by btrayfors View Post
Lifeline makes a sweet little AGM battery which is perfect for those needing a small but powerful starting battery. It's the GPL-1400T. It measures just 9.75" L x 5.0" W x 6.8" H.

It is sealed and can be installed in any position. It's designed for marine applications. Lifeline Batteries - Marine & RV Deep Cycle Batteries

I've installed two of these in clients' boats, and they seem to work very well.

Bill

Thanks for that suggestion Bill. The Lifeline is rated for 550 CCA, vs 380 CCA for the Odyssey PC925, for about the same price. Just a tad larger, which is not surprising given the higher output.

It also occurred to me today that while I do sail in the winter, I never do any cruising, due to short days, rain, and cold (I know, I'm a wimp). Given that, my house bank doesn't get discharged much, so my need for a reserve battery is less in the winter. In fact, my bank is wired such that I could temporarily split my house bank in two just by flipping a switch, which would give me plenty of starting reserve if a small starting battery turns out to be marginal during winter.
__________________
Rusty123 is offline   Reply With Quote
Old 23-12-2013, 18:51   #10
Do… or do not
 
s/v Jedi's Avatar

Cruisers Forum Supporter

Join Date: Feb 2009
Location: in paradise
Boat: Sundeer 64
Posts: 8,229
I use two Odyssey 2150's for starting service and would not go for less than one of these when the house bank can start the engine in case of battery failure.
__________________
s/v Jedi is offline   Reply With Quote
Old 23-12-2013, 19:32   #11
Registered User
 
lonesoldier0408's Avatar

Join Date: Jun 2013
Boat: Luger, Southwind, 21
Posts: 102
Re: Starting battery recommendations

Has anyone looked into a Capacitor set-up... Quick charge and discharge capability, smaller size, lighter, and twenty year life in other applications. Grid style intake heaters have also come along way... Just some items found on YouTube related to starting cars...
__________________
lonesoldier0408 is offline   Reply With Quote
Old 23-12-2013, 19:35   #12
Registered User
 
Rusty123's Avatar

Join Date: Sep 2013
Location: Bremerton, Washington
Boat: Spirit 28
Posts: 119
Re: Starting battery recommendations

Quote:
Originally Posted by s/v Jedi View Post
I use two Odyssey 2150's for starting service and would not go for less than one of these when the house bank can start the engine in case of battery failure.

Jedi,

Your engine(s) are much larger than 15 hp, I'm guessing. Would your minimum recommendation hold for smaller engines, like mine, as well?
__________________
Rusty123 is offline   Reply With Quote
Old 23-12-2013, 19:42   #13
Registered User
 
sww914's Avatar

Join Date: May 2009
Location: Punta De Mita
Boat: Vagabond 39 Hull # 1
Posts: 1,832
Re: Starting battery recommendations

After the initial inconvenience, you'll NEVER be sorry that you bought a bigger battery. I'd go group 24 or 27. I ran a lawn tractor battery in my racecar to save weight, I went through 6 of them in 10 years. They suck but it helped me go faster, but they suck.
__________________
Steve
http://www.landfallvoyages.com
sww914 is offline   Reply With Quote
Old 23-12-2013, 19:47   #14
Do… or do not
 
s/v Jedi's Avatar

Cruisers Forum Supporter

Join Date: Feb 2009
Location: in paradise
Boat: Sundeer 64
Posts: 8,229
Quote:
Originally Posted by Rusty123 View Post
Jedi, Your engine(s) are much larger than 15 hp, I'm guessing. Would your minimum recommendation hold for smaller engines, like mine, as well?
My engine is larger, my genset isn't, plus I have two of these in parallel, so yes, I would take one for your application. A stong big starter battery is gonna save the day for you, just a matter of time before it'll be needed (imagine house bank going down).
__________________
s/v Jedi is offline   Reply With Quote
Old 24-12-2013, 00:25   #15
Registered User

Join Date: Mar 2012
Location: On board in Alanya, Turkey
Boat: Hunter Legend 420 Passage
Posts: 439
Re: Starting battery recommendations

Quote:
Originally Posted by Pete7 View Post
I have the Redflash 1100 to start a Volvo 2003 which is similar to the Odyssey. Only it doesn't work during the winter....
I have a Red Flash 1100 lying on its side in the bilges - it has worked perfectly for 10 years. It's 37Ah, 775 CCA, starting a Yanmar 56 HP. Size is only 250mm x 97mm x 205mm. They are very small, but also very expensive but you can hide them away anywhere to provide more space for extra service batteries. Only use for starting the engine - nothing else - and keep them charged properly - doesn't take much - I use a 5 watt solar panel. If stopping/starting a lot I do use the alternator via a VSR.
__________________

__________________
sailinglegend is online now   Reply With Quote
Reply

Tags
battery, men

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

RV & Travel Trailer Communities

Our RV & Travel Trailer sites encompasses virtually all types of Recreational Vehicles, from brand-specific to general RV communities.

» More about our RV Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities


Copyright 2002-2012 Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 01:58.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2014, vBulletin Solutions, Inc.

Sailing News Delivered to your Email!

Stay up-to-date with the latest cruising news.

unsusbcribe at anytime with one click

Close [X]


ShowCase vBulletin Plugins by Drive Thru Online, Inc.