Looking at lithium for trolling batteries. Fish acouple times a month. Have a MK terrova 24/80. I try to stay on water about 8 hrs when I go. Not constant trolling. Move around a bunch. Also need one for electronics. Have a Helix 15, and livescope with a 1022. What sizes do I need ?
Sounds like 50AH would do you great for your motor. I fish similarly with mine and usually end up at about 90% charge at the end of the day. I have 50AH Ionics.
Not sure about the electronics.
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Bill
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I just purchased an off brand 30AH LiPo4 to power my 1242GPSMAP and Livescope. I have been powering off of my cranking battery with no issues. I guess the curiosity has gotten the best of me to try the lithium battery setup. You can got to Amped Outdoors and they has a nice chart and explanation on how to choose the proper size battery.
I have a 30 amp lithium for my livescope works great. But my helix 15 loves power. About 4 amps per hour. So my 30 won't do both systems. Hoping a 50 will do electronics and 2 50s will do for TM.