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 lithium batteries killed trolling motor ?
#14535272
11/14/22 05:06 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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TFF Guru
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OP
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Joined: Oct 2001
Posts: 15,303 |
bought 3 lithium batteries , my Xi5 ran for 20 seconds , then died . Voltage at plug = 40 volts. Are trolling motors not engineered for lithium ?
Is there a device to limit voltage to 36 ?
MO
 MY BACKYARD , 20,000 ACRES , NO MOWING 
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14535406
11/14/22 07:01 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
checked breaker? don't you have one of the newer tm's?
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14535500
11/14/22 08:50 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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I have circuit breakers installed , they were not thrown, I have power at the plug . Motorguide rep says lots of folks running lithium batteries with
no issues .
Mo
MY BACKYARD , 20,000 ACRES , NO MOWING
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14535531
11/14/22 09:35 PM
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Joined: Feb 2006
Posts: 3,773
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,773 |
Did you charge the batteries with an on board charger first? Leaving TM plugged in can fry it.....
1987 Nitro MX185/Mercury Black Max 150
1999 Triton TX21/225 Mercury Optimax
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14535546
11/14/22 09:47 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
batteries are not the issue, 12v is 12v to a tm and 40 volts is within spec for newer models.
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Re: lithium batteries killed trolling motor ?
[Re: hopalong]
#14535645
11/14/22 11:34 PM
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Joined: Apr 2017
Posts: 12,190
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 12,190 |
batteries are not the issue, 12v is 12v to a tm and 40 volts is within spec for newer models.
^^^This^^^
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Re: lithium batteries killed trolling motor ?
[Re: bronco71]
#14536136
11/15/22 02:22 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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Did you charge the batteries with an on board charger first? Leaving TM plugged in can fry it..... Motor worked fine till it did not. I have never unplugged my TM when charging , Maybe I will in the future. MO
MY BACKYARD , 20,000 ACRES , NO MOWING
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14536162
11/15/22 02:36 PM
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Joined: Mar 2007
Posts: 16,339
forkduc
TFF Guru
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TFF Guru
Joined: Mar 2007
Posts: 16,339 |
Always throw you’re TM breaker.
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Re: lithium batteries killed trolling motor ?
[Re: forkduc]
#14536497
11/15/22 06:57 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Always throw you’re TM breaker. that is how I do it too. mo, check all your ground connections for tight, most of the time, unless something burned up that is what causes the problem. you might also pull the top cap on the tm and look for burned areas around wires and the circuit board.
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14536749
11/15/22 09:40 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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I'm off tomorrow , so looks like a trip to LakeSide Trolling motor repair is in my future.
I will update this thread when I get a diagnosis.
Mo
MY BACKYARD , 20,000 ACRES , NO MOWING
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14536959
11/16/22 01:28 AM
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Joined: Dec 2008
Posts: 16,184
grout-scout
TFF Guru
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TFF Guru
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Posts: 16,184 |
A 36v lithium has to charge up to 48v for a full charge, from what I’ve read (might have been 46v). But maybe that’s what got the TM.
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Re: lithium batteries killed trolling motor ?
[Re: hopalong]
#14548576
11/28/22 04:58 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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checked breaker? don't you have one of the newer tm's? appears that this is the problem thank you MO
MY BACKYARD , 20,000 ACRES , NO MOWING
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14548811
11/28/22 08:34 PM
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Joined: Sep 2008
Posts: 121,172
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,172 |
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Re: lithium batteries killed trolling motor ?
[Re: Mo]
#14563124
12/12/22 11:40 PM
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Joined: Oct 2001
Posts: 15,303
Mo
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TFF Guru
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OP
TFF Guru
Joined: Oct 2001
Posts: 15,303 |
Feeling a little embarrassed , replaced circuit breaker , hooked it all back , re-synced remotes and everything now works perfect.
gave it a good workout last Thursday
MO
MY BACKYARD , 20,000 ACRES , NO MOWING
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