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| Boat Fishing & Boating A new forum at Striped-Bass.com for those fishing from boats and for boating in general |
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06-19-2013, 09:38 AM
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#1
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Callinectes sapidus
Join Date: Oct 2001
Posts: 6,277
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Small boat electronics
Greenhorn question, but as they say....the shoe fits, so here goes...
Looking to add a depth-finder to my 13' dory -
Marine-grade battery or does it really matter?
Is that all I need, a battery and the electronic device? or do I need any type of other electrical/adapter etc??
Thanks in advance!
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 ... it finally happened, there are no more secret spots
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06-19-2013, 09:59 AM
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#2
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Registered User
Join Date: Aug 2002
Location: RockVegas
Posts: 3,228
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The simplest solution would be the depth finder of your choice, then pick up one of these 12 Volt DC 7mah batteries.
Lithonia Lighting 12-Volt 7mAH Replacement Battery-ELB 1270A R3 at The Home Depot
And one of these float chargers to re-charge the battery after a day on the water.
Automatic Battery Charger - 12V
This way you don't have to lug around a heavy car battery. Just place the small battery in a plastic container like Tupperware, punch a hole in the side and run your fused positive and negative wires from the depth finder to the terminals on the battery. |
The future ain't what it used to be. --Yogi Berra
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06-19-2013, 10:13 AM
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#3
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D'oh
Join Date: May 2004
Location: RI
Posts: 3,296
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in my opinion, if you can afford it, get a nice gps/sounder. even on a 13 fter it is a great tool. For $700 you can get the garmin 546S. you may not need the map for navigation but it is a great tool for locating structure & storing your hotspots as waypoints. use the map to put you near structure, use the sounder to see whats down there. you can probably get a cheap sounder for a couple hundred, but spend a few hundy more and you are styin'.
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i bent my wookie
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06-19-2013, 01:33 PM
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#4
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Registered User
Join Date: Sep 2005
Location: Cumberland, RI
Posts: 2,264
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dunno.... on my kayak I used an eagle cuda 350 wired to 2 lantern batteries in a waterproof box. worked great. GPS/FF, batteries lasted a surprisingly long time.
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Good judgement comes from experience, and experience comes from bad judgement -- Keith Benning
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06-19-2013, 02:54 PM
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#5
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Callinectes sapidus
Join Date: Oct 2001
Posts: 6,277
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Sounds simple enough, thanks!
How long should a fully charged battery last?
zacs, saw 2 on Amazon, 1 w/transducer 1 w/o transducer? I'm not an electronics guy,...which direction am I going in?
Thanks ~ |
... it finally happened, there are no more secret spots
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06-19-2013, 03:00 PM
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#6
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D'oh
Join Date: May 2004
Location: RI
Posts: 3,296
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you are definitely going to need one W/transducer.
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i bent my wookie
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06-19-2013, 03:09 PM
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#7
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D'oh
Join Date: May 2004
Location: RI
Posts: 3,296
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by the way, i was just throwing that unit out there because I know it would fit the bill. there are other options from other manufacturers, and you may be able to find something in the $5-600 range and sacrifice some not needed bells and whistles. But you WILL need a transducer, and you should try to find a unit that has an internal GPS antenna so you don't need to find somewhere to mount an external antenna, and also one lest wire snaking around.
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i bent my wookie
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06-19-2013, 03:12 PM
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#8
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Registered User
Join Date: Sep 2001
Posts: 7,649
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A small GPS/depth finder will draw about 3 amps +/-, if you get a 100 Amp hour battery in theory you could go 30 or so hours BUT you NEVER want to discharge a batter like that , you really don't want to go below 50% capacity so realistically you are looking at about 15 hours give or take. I would charge it up overnight after each use and you should be fine.
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