Adding 2nd Battery...help - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 02-27-2003
Junior Member
 
Join Date: Feb 2003
Posts: 4
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
redbeard58 is on a distinguished road
Adding 2nd Battery...help

I have a Hunter 260 and would like to add a house battery. I have a Mercury 15 hp outboard connected to the battery that came with the boat. There is a has a solar panel connected to this battery also. I assume that this battery connects to my 12 volt panel for the lights too. da! I would like to move this battery to the port side and to just work the engine. Add a large house battery to starboard side to run lights and stereo. I know I need a battery switch and have found one with off/1/both/2 positions. Is there a way to do this and still get the engines altenator to charge both batteries when needed? Like putting battery switch on both when running engine? I would like to leave the solar panel connected to the house battery. Any and all help would be greatly appreciated...BLUESKIES AND HIGHTIDES...RB
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 02-27-2003
kmeeks's Avatar
Member
 
Join Date: Dec 2002
Location: Pacific Northwest / Mexico
Posts: 52
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 13
kmeeks is on a distinguished road
Send a message via Yahoo to kmeeks Send a message via Skype™ to kmeeks
Adding 2nd Battery...help

Where are you located? I''m looking for small projects to help out on...I''m in the L.A. area.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 03-03-2003
Member
 
Join Date: Nov 2002
Posts: 54
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 13
BeneteauMark is on a distinguished road
Adding 2nd Battery...help

One thing to keep in mind when adding a battery switch is whether your outboard''s alternator works like a car alternator or works on a magneto. If it works like a car alternator, you''ll need a battery switch with a field disconnect. This keeps you from blowing the alternator diodes when switching between batteries, or if you accidentally turn off the batteries with the engine running. If your alternator is of the magneto type, I don''t think this is a factor.

In any case, common procedure is to start the engine with the battery switch in the "both" position, then switch to the "house" battery after shutting the engine down. This lets the alternator charge both batteries while the engine is running.

One concern I have is whether the alternator on your 15 hp outboard puts out enough juice to charge two batteries. I had an alternator added to my 5 hp outboard, and it proved to be a complete waste of money.

Hope this helps.

Mark
"One Step Closer"
Lake St. Clair, MI

Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Solar Power for Battery Charge KnotaClew23 Gear & Maintenance 1 09-23-2005 04:40 PM
battery isolator with starter/generator? owenmccall Gear & Maintenance 1 07-21-2004 08:58 AM
Starter or House Battery? rrobar Gear & Maintenance 2 12-30-2003 04:56 PM
Battery combiner vs battery isolator prelude General Discussion (sailing related) 2 07-09-2003 09:31 AM
Wiring set-up for battery switch. pehrst Gear & Maintenance 6 06-18-2002 06:51 PM


All times are GMT -4. The time now is 02:48 PM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.