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Jan 23rd, 2013
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MG Tour vs MK Fortrex Draining Batteries #13452109 02/26/20 03:42 PM
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Basscat8263 Offline OP
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I recently switched my TM from a 2005 MG Tour 82 to a new MK Fortrex 80 lb 24 V. I never had a problem with my MG draining my batteries after a full day of fishing. The Fortrex drains the batteries after 6 hours of fishing.

What's up with this? Is this normal?

I'm thinking about purchasing 2 new lead acid batteries. Or do I need to upgrade to Lithium? Any help would be appreciated.


Tony

Re: MG Tour vs MK Fortrex Draining Batteries [Re: Basscat8263] #13452157 02/26/20 04:13 PM
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KB1953 Offline
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How old are your batteries?

Re: MG Tour vs MK Fortrex Draining Batteries [Re: Basscat8263] #13452171 02/26/20 04:20 PM
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They are 3-4 years old but they both show 12+ volts after charging. No dry cells. And they hold a charge. I've checked them in 2 hour increments after charging.


Tony

Re: MG Tour vs MK Fortrex Draining Batteries [Re: Basscat8263] #13452271 02/26/20 05:15 PM
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tmd11111 Online Content
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Originally Posted by Basscat8263
They are 3-4 years old but they both show 12+ volts after charging. No dry cells. And they hold a charge. I've checked them in 2 hour increments after charging.


Only 12vdc after charging is low. Should be more like 12.7

Re: MG Tour vs MK Fortrex Draining Batteries [Re: Basscat8263] #13452581 02/26/20 08:52 PM
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KB1953 Offline
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I would purchase 2 new marine deep cycle batteries. Shop around, should be some on sale with rebates! thumb

Re: MG Tour vs MK Fortrex Draining Batteries [Re: Basscat8263] #13452855 02/27/20 12:44 AM
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I have fished with a 24V Ulterra with Auto Deploy and Stow for 8 hours and it never ran the batteries down.

I had a cell go bad in a flooded lead acid deep cycle battery and it charged up fine and sat for 3 days and still showed 12.5V static charge. As soon as I applied a load, the voltage dropped to less than 11V and it would not operate my trolling motor.

I have since replaced both trolling batteries with AGM Deep Cycle Marine batteries


Luck will beat skill any time you have enough of it!
Re: MG Tour vs MK Fortrex Draining Batteries [Re: tmd11111] #13452867 02/27/20 12:54 AM
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Originally Posted by tmd11111
Originally Posted by Basscat8263
They are 3-4 years old but they both show 12+ volts after charging. No dry cells. And they hold a charge. I've checked them in 2 hour increments after charging.


Only 12vdc after charging is low. Should be more like 12.7


A "false voltage" will also "float" on a defective battery that has been charged but not had a load applied. Run the TM for 5 minutes then check again. An even better option is to take the batteries to an auto parts store, where they will usually load test a battery for free. If they apply a 20-25 amp load and the voltage craters, you have a lead anchor shaped like a battery.

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