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#12648614 - 02/26/18 08:51 PM Batteries sizes
slickjig69 Offline

Registered: 03/01/14
Posts: 134
Loc: Irving, Texas
When I bought my boat used it came with group 27dc batteries for my trolling motor which is an 24vlt minnkota 80thrust power, can I get a bigger size group battery for it or do I have to stay with the same size? Any help would be appreciated.

#12648626 - 02/26/18 08:57 PM Re: Batteries sizes [Re: slickjig69]
David Burton Offline
Extreme Angler

Registered: 07/14/11
Posts: 2104
Loc: McKinney, TX
For trolling there is no upper limit. Go as big as you want, with the reserve capacity (RC) you desire.
David Burton
2015 Skeeter FX 21

...and down goes PhotoBucket with the new Terms of Service... I predict they will be out of business or begging for forgiveness inside a month. 6/30/2017

#12648903 - 02/27/18 01:22 AM Re: Batteries sizes [Re: slickjig69]
Bobby Milam Online   content
TFF Team Angler

Registered: 07/13/14
Posts: 3238
Loc: Arlington
Yes you can choose any size battery as long as it will physically fit in your boat.

#12650147 - 02/27/18 05:30 PM Re: Batteries sizes [Re: slickjig69]
slickjig69 Offline

Registered: 03/01/14
Posts: 134
Loc: Irving, Texas
Thanks! for the great info, guys

#12650249 - 02/27/18 06:28 PM Re: Batteries sizes [Re: slickjig69]
361V Offline
TFF Team Angler

Registered: 11/21/08
Posts: 4808
Loc: somervell county
Bigger really is better thumb

#12650699 - 02/27/18 10:12 PM Re: Batteries sizes [Re: slickjig69]
Jake Shannon(Skeet4Life) Offline
TFF Celebrity

Registered: 10/31/10
Posts: 8030
Loc: Tyler, Tx/Arlington, Tx
bigger is better for sure! if you have room for them in your boat, some boats have limited room for batteries.

#12651614 - 02/28/18 12:26 PM Re: Batteries sizes [Re: slickjig69]
texasbassdude Offline

Registered: 05/31/08
Posts: 207
Loc: San Antonio, TX
You can get whatever size you want, as long as it fits in the trays (if your boat has them, I imagine it does).

As another person said, it's RC (reserve capacity) that you want for trolling motor batteries, not cranking amps. Reserve capacity and amp hours are related. If one battery measures in RC and another in amp hours, you can compare the two capacities by multiplying RC by 0.42 to get to amp hours.

Reserve capacity is "the number of minutes a fully charged battery at 80 degrees F is discharged at 25 amps before the voltage falls below 10.5 volts."

#12651723 - 02/28/18 01:14 PM Re: Batteries sizes [Re: slickjig69]
propman Offline

Registered: 04/06/10
Posts: 460
Loc: Pilot Point, TX
I have 2 Interstate 29's for my 24 volt Motor Guide.


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