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What size Lithium
#15283669
12/27/24 01:32 PM
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Joined: Jan 2008
Posts: 294
Dunno
OP
Angler
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OP
Angler
Joined: Jan 2008
Posts: 294 |
Going to set up a dedicated battery for my garmin only. What is a good size lithium for that. Not familiar with Lithium at all.
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Re: What size Lithium
[Re: Dunno]
#15283684
12/27/24 01:57 PM
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Joined: Mar 2003
Posts: 11,570
Fishin' Nut
TFF Guru
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TFF Guru
Joined: Mar 2003
Posts: 11,570 |
I run two Helix units (8 and 9) in my boat using a 50ah battery. Have yet to have it run out of juice in one day of fishing.
Waiting on Bob Davis' next selfie
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Re: What size Lithium
[Re: Dunno]
#15283951
12/27/24 07:34 PM
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Joined: Jan 2003
Posts: 6,175
RoadRunnerTR21
TFF Celebrity
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TFF Celebrity
Joined: Jan 2003
Posts: 6,175 |
I run a Helix 15, Garmin UHD 93sv and GLS10 for Live Scope on a 100ah battery. It's a bit of overkill. 50ah would work just fine.
![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2023/03/full-2660-175550-mako_blue.jpg) Light Blue 19 CPX
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Re: What size Lithium
[Re: Dunno]
#15283958
12/27/24 07:54 PM
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Joined: Apr 2017
Posts: 15,012
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 15,012 |
Look up the specs for your electronics. Add them up then multiply how many hours you plan on fishing. Thats the minimal amp hour battery you'll need. Get bigger though for longer outing or in case you upgrade electronics. People think they can squeak by with the minimal sized battery to save a few $$$ then cry then it runs out of juice on the water.
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Re: What size Lithium
[Re: Dunno]
#15288157
01/01/25 02:51 PM
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Joined: Mar 2011
Posts: 1,124
goodman_fishing
Extreme Angler
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Extreme Angler
Joined: Mar 2011
Posts: 1,124 |
You've probably found it by now but there's a spreadsheet you can download in this video. Will help you estimate different run times with your graphs and battery sizes. What's the BEST Battery Size For YOUR Fish Finders?| Livescope | Garmin | Humminbird | Lowrance https://youtu.be/Vz5XdDJGNm0
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Re: What size Lithium
[Re: tmd11111]
#15305611
01/18/25 02:07 PM
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Joined: Apr 2004
Posts: 14,778
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,778 |
Look up the specs for your electronics. Add them up then multiply how many hours you plan on fishing. Thats the minimal amp hour battery you'll need. Get bigger though for longer outing or in case you upgrade electronics. People think they can squeak by with the minimal sized battery to save a few $$$ then cry then it runs out of juice on the water. I last year I switched to lithiums for trolling motor. When I asked about battery capacity everyone said I would be fine with 50ah batteries. I went with 100s. I figured better to spend a little extra money then to spend more if 50s did not work for me.
2200 Bay Champ/200 Mercury Optimax 2017 Tundra TSS 4x4 Crewmax 5.7L
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