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boat battery testing?
Posted on 7/31/17 at 5:49 pm
Posted on 7/31/17 at 5:49 pm
I'll keep this short, but since I've upgraded my TM to an iPilot I don't get much life out of it...and yesterday none at all. I'll give more details if anyone is willing to help, but for now does anyone know if Autozone tests deep cycle/cranking marine batteries? They don't answer the phone and Google is no help.
3
Posted on 7/31/17 at 5:52 pm to KennaBruh
yes they can run a load test...
Posted on 7/31/17 at 6:18 pm to KennaBruh
you can pick up your own load tester for like $10 at harbor freight.
Posted on 7/31/17 at 6:28 pm to diat150
quote:Every fisherman should have one. Have a friend with an auto mechanic shop so Imusenhis but need to get one.
you can pick up your own load tester for like $10 at harbor freight.
To the OP. it sure if you know how they test em but It's very easy.
Posted on 7/31/17 at 6:37 pm to Geauxtiga
I've never used one. Would I disconnect all 3 batteries and test or leave them connected, put a load on them and check each battery?
Problem might be that I have 2 deep cycle batteries in series for a 24v trolling motor, plus other electronics connected to it. Not sure if it'll get an accurate reading from each 12v battery with a load on them.
Problem might be that I have 2 deep cycle batteries in series for a 24v trolling motor, plus other electronics connected to it. Not sure if it'll get an accurate reading from each 12v battery with a load on them.
Posted on 7/31/17 at 7:03 pm to KennaBruh
Disconnect. Also, make sure they are fully charged.
Posted on 8/1/17 at 6:30 am to Geauxtiga
If your batteries are over 3 years old probably need to be replaced. Load testers are easy to use however.
Posted on 8/1/17 at 6:42 am to KennaBruh
Here is the answer......it's the ONLY answer......something I wished I had done 3 or 4 years earlier.........Minn Kota Precision Battery Charger.....pick the one for your application (based on number of batts)......I bought mine online at Hodges Marine.
You're welcome.
ETA: I never have charging issues any longer.
You're welcome.
ETA: I never have charging issues any longer.
This post was edited on 8/1/17 at 6:46 am
Posted on 8/1/17 at 12:48 pm to Wtodd
My son is trouble shooting troll motor issue too. Plugged the charger in all day Saturday. Sunday unplugged it and pushed the battery power button on the top of the motor, all 4 lights lit up bright red (fully charged), turned handle to test and nothing. I told him bring the thing back to the dealer to check since it's under a year old. I hate that the boat came with the troll motor wired direct to the batteries, no plug on bow. 
Posted on 8/1/17 at 12:56 pm to double d
quote:
no plug on bow.
I'd hate that too.
Does he have a Perko switch?
Posted on 8/1/17 at 1:30 pm to KennaBruh
quote:
plus other electronics connected to it
That's part of the problem. nothing besides the trolling motor should be hooked to the trolling batteries. all other electronics should be on a fuse block to the cranking battery or a house battery.
Like others said if they are 3 years old they are probably shot. Rewire to where there is nothing on the trolling batteries but trolling motor and get a very good charger. You should have no worries after that
Posted on 8/1/17 at 2:06 pm to Wtodd
quote:
quote: no plug on bow. I'd hate that too.
I like it hard wired to the battery. One less thing to go wrong on the boat.
Posted on 8/1/17 at 6:46 pm to Wtodd
No perko. I think he hit it on the dock or something but he won't admit it. Said it worked fine last week. 
Posted on 8/1/17 at 6:57 pm to double d
Just put a voltmeter across. If it's got 12 24 or 36 It ain't the battery
Posted on 8/2/17 at 6:38 am to double d
quote:
Said it worked fine last week.
Story of my life......"I don't know how it happened" or "I don't know who broke it" or "I don't know"
Posted on 8/2/17 at 7:09 am to Wtodd
So true! It's his boat, but I gave him some money to put down so he could get it and helped him with a few notes when he was short but I'm not fixing everything he breaks. I use it now and then but before I do I check fluids, batteries, tires on trailer etc. He just hooks up goes and doesn't clean it or bother to put the cover back on.
Posted on 8/2/17 at 7:39 am to Wtodd
quote:Glad to know it's not just at my house.
Story of my life......"I don't know how it happened" or "I don't know who broke it" or "I don't know"
Posted on 8/2/17 at 9:26 am to Geauxtiga
quote:
Glad to know it's not just at my house.
I sarcastically tell my wife & son "don't look at it bc it WILL break and I KNOW no one here breaks shite"
Posted on 8/2/17 at 12:20 pm to diat150
quote:Those cheap load testers can be very unreliable -- as are the ones that are used at places like Autozone.
you can pick up your own load tester for like $10 at harbor freight.
The best local (Baton Rouge) source for testing batteries is Interstate Batteries on Airline (near Siegen).
Disclaimer: I have no financial, or any other, affiliation with Interstate Battery. But I do trust them, and have used them to check company marine batteries and personal marine batteries. Their test results were different enough from Autozone & Advance Auto Parts that we now only use Interstate.
Also - their battery prices are good, and you get "fresh" batteries.
eta: To curreckt my por speling.
This post was edited on 8/2/17 at 12:21 pm
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