I've set up my boat for 2 batteries, one for starting and one for running the anchor light and radio when not underway. Since you are battery geniuses I thought I ask for opinions.It's time for new batteries so I'm wondering what would be better overall. Two starting/cranking batteries, using the second for the light/radio or 1 starting/cranking and 1 deep cycle rv/marine?The idea for the backup battery was to be sure I could start the boat after extended light/radio use. So that makes me lean toward the backup actually being another cranking/starting battery.Thoughts?Thanks

A pair of Duracell AGM deep cycle, also sold as the DEKA Intimidator at boat supply stores.If you have the room for two batteries go for it.They're pretty cheap at Sam's Club

I would do/have done one deepcycle for trolling motor, etc., and a cranking battery. no reason for two deep cycles unless you are running a 24 volt trolling motor and use them in parallel. lights and radio should not be that big a draw however, unless you have multi floods for bow hunting.bumpy

GordonThree wrote:A pair of Duracell AGM deep cycle, also sold as the DEKA Intimidator at boat supply stores.And which for maximum life expectancy require temperature compensated charging ... which the OP likely doesn't have. The only batteries I'd personally invest in are those I can properly recharge. Good ol' flooded don't have this requirement. ;)

It would depend somewhat on the demands of both. How big an engine are you starting? I have had a couple of old cruisers in the old days; a 24' Bellbuoy with the "Volvo" engine--really a GM 350, and a 28' Chriscraft similarly powered. I ran a pair of group 27 "Marine Deep Cycle" batteries using a manual battery switch. 1, 2, , BOTH and OFF. Battery one was the engine battery, 2 for all the 12V loads (power anchor windlass on the Chriscraft). Batteries lasted me about three years due to the difficulty of staying on top of the charging during the off season.

temp comp Rolls floodedhttp://rollsbattery.com/wp-content/plugins/rollsbatteries/pdfs/Rolls_Battery_Manual.pdftemp comp Trojan Floodedhttp://www.trojanbattery.com/tech-support/faq/#Temperaturetemp comp Deka Floodedhttp://africanenergy.com/new/wp-content/uploads/2012/08/Renewable-Energy-Charging-Parameters.pdftemp comp us battery floodedhttp://usbattery.com/wp-content/uploads/2014/05/usb-charging-recommendations.pdf

Batteries for adult toy. | Good Sam Community

wa8yxm
Explorer III
Feb 28, 2017
I thought I'd already posted this but that dang Reset bug was working over time this AM.. My first thought at reading the subject line was "AA Batteries".
I will say no more.
Aridon
Explorer
Feb 28, 2017
Very disappointed in the content of this thread :P

Half expected someone boon docking 200 miles from civilization and needing to hot wire a toy into the 12v system.
monkey44
Nomad II
Feb 28, 2017
NJRVer wrote:
Batteries for adult toy.

I guess I'll take my mind out of the gutter after seeing that title.

Yeah - right ! That title was to get us all in here --HEHEHE. worked, didn't it. :)
wa8yxm
Explorer III
Feb 28, 2017
You know.... When I read this thread title.. I keep thinking of AA batteries.
SaltiDawg
Explorer
Feb 28, 2017
Bumpyroad wrote:
SaltiDawg wrote:
NJRVer wrote:
Batteries for adult toy.

I guess I'll take my mind out of the gutter after seeing that title.

I suspect you won't get any satisfaction going over to the Trojan hydrolink thread.

I just went there and boy did you disappoint me.
bumpy

So I told my wife about this thread.
I also explained that not being an RVer, I assumed an "adult toy" must be some sort of RV.

My mistake was when I told her I'd Google " batteries for adult toy " - Wow!
NinerBikes
Explorer
Feb 28, 2017
Nothing to see here about adult toys.
drsteve
Explorer
Feb 28, 2017
NJRVer wrote:
Batteries for adult toy.

I guess I'll take my mind out of the gutter after seeing that title.

572 views in under an hour and a half...
Bumpyroad
Explorer
Feb 27, 2017
SaltiDawg wrote:
NJRVer wrote:
Batteries for adult toy.

I guess I'll take my mind out of the gutter after seeing that title.

I suspect you won't get any satisfaction going over to the Trojan hydrolink thread.

I just went there and boy did you disappoint me.
bumpy
SaltiDawg
Explorer
Feb 27, 2017
NJRVer wrote:
Batteries for adult toy.

I guess I'll take my mind out of the gutter after seeing that title.

I suspect you won't get any satisfaction going over to the Trojan hydrolink thread.
2112
Explorer II
Feb 27, 2017
I ran a pair of group 27 "Marine Deep Cycle" batteries using a manual battery switch. 1, 2, , BOTH and OFF. Battery one was the engine battery, 2 for all the 12V loads (power anchor windlass on the Chriscraft).
This is my setup. Once under way after using Batt 2 I switch to BOTH to give Batt 2 a charge.

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