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#12625659 - 02/13/18 11:27 AM Batt in Storage
skychief12 Offline
Outdoorsman

Registered: 09/09/14
Posts: 22
Loc: Frisco
For boats with on-board chargers.

When storing a boat for a few months do you disconnect the charger ?

Last year I left mine on and the charger bold all of the battery acid out and I had to replace both trolling motor batteries. This year I unplugged the charger think I'd reconnect when the weather start to warm up more.

What is the best approach ? Leave it plugged in or unplug ?

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#12625722 - 02/13/18 11:59 AM Re: Batt in Storage [Re: skychief12]
Cast Offline
TFF Celebrity

Registered: 07/31/12
Posts: 8083
Loc: North Texas - God's Country
Your charger should not boil them dry. Get a new charger for storage. Battery tenders are for storage.
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#12625737 - 02/13/18 12:04 PM Re: Batt in Storage [Re: skychief12]
JIM SR. Online   sick
TFF Celebrity

Registered: 09/25/06
Posts: 7376
Loc: NRH/Fork ! GET THE NET
automatic timers,..i have mine set

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#12625740 - 02/13/18 12:05 PM Re: Batt in Storage [Re: skychief12]
Mckinneycrappiecatcher Online   content
TFF Team Angler

Registered: 12/20/10
Posts: 3617
Loc: mckinney, tx
The bank chargers should be 2 amp maintainers which should be designed to stay hooked up, check the amperage on your chargers.
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TCU class of 2019

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#12625741 - 02/13/18 12:05 PM Re: Batt in Storage [Re: skychief12]
hunter1st Offline
Outdoorsman

Registered: 09/22/05
Posts: 55
Loc: Burleson
I can't help with on board charger, I remove mine from the boat, move to garage for winter and put a charge on them about once a month, same for mower/tractor batteries. For my travel trailer I disconnect the batteries and also charge about once a month.
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hunter1st

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#12625844 - 02/13/18 01:10 PM Re: Batt in Storage [Re: skychief12]
koobycrappie Offline
Extreme Angler

Registered: 09/21/07
Posts: 2163
Loc: Somerville Tx
Get yourself a "Guest" brand on board charger and leave it plugged in.
This is the only brand that I have had continued great luck with!
Had others that would boil your battery dry in no time.
I rarely have to add water to my battery and I now get years of service from my batteries.
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Kevin Kubiak
Lakes Somerville and Granger, crappie guide
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#12625848 - 02/13/18 01:12 PM Re: Batt in Storage [Re: skychief12]
Spiderman Online   content
TFF Team Angler

Registered: 09/04/06
Posts: 4276
Loc: EAST TEXAS
I use Battery Tender brand for storage.

They are dependable & buy the model that is waterproof.
_________________________
The first 5 days after the Weekend are the Hardest.

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#12626027 - 02/13/18 02:52 PM Re: Batt in Storage [Re: skychief12]
Gamblinman Offline
TFF Team Angler

Registered: 11/26/02
Posts: 3412
Loc: Yantis, TX
On my third Guest charger on 2 different boats. They have served me well. Never boiled a battery...always charged and ready.

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#12626217 - 02/13/18 04:25 PM Re: Batt in Storage [Re: skychief12]
crapicat Online   content
TFF Celebrity

Registered: 01/23/13
Posts: 6273
Loc: Grandview, TX
Well, I run gel cells, which negates to the to run chargers/maintainers...after fishing, I charge my batteries up, then unplug...evening before a fishing trip, I go plug in the charger, and next day I am good to go. The gel cells can be discharged completely (ok to 5%) and will recover just fine, over and over again....long term storage tends not to bother them, at least in my experience. Hope this info helps...

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#12626228 - 02/13/18 04:31 PM Re: Batt in Storage [Re: skychief12]
Dutch1947 Online   content
Extreme Angler

Registered: 06/02/10
Posts: 2087
Loc: North, TX
Talk to Dave Goodson at Shut-Up-and-Fish - 972-822-9285

Get yourself a Minnkota Digital on board charger and your battery concerns and troubles will be over. They condition your battery and they won't boil them dry.
Charging rate is all automatic. It goes from quick charge, to optimum, to trickle, and finally maintain. Leave it plugged in all the time, and forget it. Don't forget to unplug it before you go fishing..


Edited by Dutch1947 (02/13/18 04:35 PM)

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#12627063 - 02/14/18 05:51 AM Re: Batt in Storage [Re: skychief12]
Finaddict Offline
Angler

Registered: 10/02/16
Posts: 269
Loc: Cedar Creek lake, Tx
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#12631735 - 02/16/18 03:51 PM Re: Batt in Storage [Re: skychief12]
KingFish1183 Offline
Outdoorsman

Registered: 07/05/17
Posts: 22
I have a sweet 4 bank charger that I'm selling. It will turn off when all the batteries are charged and then just maintain like Battery Tender. It's expensive but i'm selling it.

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#12632826 - 02/17/18 10:36 AM Re: Batt in Storage [Re: skychief12]
MAK747 Offline
Angler

Registered: 05/08/09
Posts: 444
Loc: Ft Wth
Any decent on board charger should be able to be to be left plugged in 24/7. After charging the battery it will switch to maintenance mode to keep the batteries topped up. With that being said, I typically plug mine in when I get home and unplug it after a day or so. I then plug it back in the night before I go to the lake just to ensure the batteries are fully topped off. I'm just more comfortable knowing there is no power constantly connected to the boat. Though it may seldom happen, electronics do occasionally fail and having it cause a fire is not out of the question.

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#12632914 - 02/17/18 11:36 AM Re: Batt in Storage [Re: MAK747]
Coach Hark Online   content
TFF Team Angler

Registered: 01/11/12
Posts: 4318
Loc: Burleson, Texas
Originally Posted By: MAK747
Any decent on board charger should be able to be to be left plugged in 24/7. After charging the battery it will switch to maintenance mode to keep the batteries topped up. With that being said, I typically plug mine in when I get home and unplug it after a day or so. I then plug it back in the night before I go to the lake just to ensure the batteries are fully topped off. I'm just more comfortable knowing there is no power constantly connected to the boat. Though it may seldom happen, electronics do occasionally fail and having it cause a fire is not out of the question.


Exactly what I do with my batteries.
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#12649075 - 02/27/18 08:18 AM Re: Batt in Storage [Re: Coach Hark]
Bob Browne Online   content
Outdoorsman

Registered: 02/26/03
Posts: 113
Loc: Midlothian,Tx,USA
STRONGLY recommend you guys look at the VDC BatteryMinder. Not just a charger/maintainer, but DESULFATES the battery. Have had several deep cycles last 5 years +.

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