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| Here is the scenario I have a 4 bank charger on my boat, engine mount trolling motor and bowmount, so far in the last 3 weeks I have went through 4 deep cycle batteries which were brand new at the beginnning of the year. The charger seems to be working right and shutting off when the batteries are charged. It seems like I have the problems after I use my engine mount trolling motor but I am not sure. Is there a way to test this to see if it is the probelm? Thanks for any advice.
Grouse |
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Member
Posts: 1040
Location: Stevens Point, WI | Are you able to unplug your trolling motor on the engine? See what happens is if they are left plugged in, they can still draw down your batteries and over time it can cause batteries to go dead. Also, you stated you got new batteries at the beginning of the year, I have friends that have bought new batteries off the shelf and they turned out to be bad batteries once they got them load tested. Check the date on the batteries, batteries only have a shelf life for so long. I guess that's where I would start. |
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Member
Posts: 1656
| Grouse, if you have access to a multi meter you can begin there to look for any "drains" on your batteries. a dead deep cycle is a fast way to kill a deep cycle.
Use the amp meter setting or just an amp meter and place in between the hot and your load ( in your case the engine mount trolling motor and any other suspect device) do not use the Amp meter across the load (hot to negative) or you will be replacing a fuse in your meter or replacing your meter. What you're looking for is a flow of electricity. It could be as low as millamps, but it's a drain. Milliamps can still kill a perfectly good deep cycle in a matter of a few short weeks.
If you're local to the appleton area, I'd be willing to take a look at it and only charge ya an adult beverage or two. |
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Member
Posts: 2445
Location: Fremont, Wisconsin | I agree with Jayman, there is a draw on the batteries. Have you went through 1 set this summer or more? Finding the draw is a good thing as well, simply because the prouct that is creating the draw,is not functioniing properly either, and needs to be replaced. Hopefully that is stilll under warranty. The bonus is that the batteries warranty is 100% replacement.
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| FYI
It turned out to be my engine mount that was causing the problems.
Thanks for the help |
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| I to have a engine mount trolling motor [navigater]it has a relay inside the control box,that will drain the batteries down.If it sits too long unused.I put a switch inline with the positive lead [70amp automotive] so that the batterie won't drain between fishing trips.Also to test the motor for grounds or shorts.Disconect both wires going to the trolling motor .Use a ohm meter to test one wire at a time .omh meter lead should be on one wire and the other lead on the frame of the trolling motor.u might have to clean a spot on the frame for a good connection.If u get a deflection on the meter u have a ground or shot in the motor.this will also burn up your batteries. |
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Burning up Batteries