Thread: Ebike electric battery for livescope setup??

Figure how many amps your depth finder and LS is using and divide into 25 amps to get the approximate hours of usage. Just remember, when your down to about 10 to 20% left voltage in the battery, your current voltage will start dropping and your depth finder may quit working.

Yeah, we've had discussions on how many amps a LS & Garmin unit will pull per hour and the "answers" are all over the place depending on whether you're taking the readings yourself or taking the word of the Garmin people or Google searches.

Livescope supposedly draws 4amps/hr at "maximum output" (whatever that means). And Google searches say Livescope "averages" 2amps/hr draw.
Garmin says the 93sv draws 1.67amps/hr (max output), but that figure is likely taking into account the use of the transducer being engaged & in use.

When I bought a battery for my 93sv/Livescope setup (no 93sv tdx attached) I overestimated a maximum draw of 4amps/hr, so I bought a 68AH AGM battery ... just to make sure I could run it for 12hrs should I need to do so. Yeah, it's probably overkill, but I prefer to err on the side of caution.

I agree, anything worth doing is worth overdoing.

I know exactly how much current a GLS10 draws, and it depends on range and depth among many other settings. It isn't static. I really don't like discussing it and my numbers, because in the past there has been negativity directed my way by some because it contradicted published info from "pros". Huh. Measure it yourself, sez I.

I will tell you I am using a 50AH lithium battery (one of many good brands), and a solid 6 hours of fishing today knocked it from 100% to 87%. I have run it 3 trips in a row without charging. In my kayak, I was using a 20 AH, and while it lasts a good long day, I wouldn't push it to 2 days (It charges fast anyway). I use a lithium strictly for weight reduction - the main reason for choosing one.

These LS battery ideas just seem like solutions looking for a problem to me.

Why not just run a house battery for everything? Bilge, lights, all graphs, aerator, and your LS. A 100AH deep cycle battery is $100, hook it up to your onboard charger, plug it in and forget it. No hassle of removing it, charging it separately, and then forgetting it at home. Your starting/trolling batteries can be left alone to their respective duties.

Chances are if you have livescope, you have a boat big enough to fit another battery, and the weight is of little consequence.

Originally Posted by Atimm693

These LS battery ideas just seem like solutions looking for a problem to me.

Why not just run a house battery for everything? Bilge, lights, all graphs, aerator, and your LS. A 100AH deep cycle battery is $100, hook it up to your onboard charger, plug it in and forget it. No hassle of removing it, charging it separately, and then forgetting it at home. Your starting/trolling batteries can be left alone to their respective duties.

Chances are if you have livescope, you have a boat big enough to fit another battery, and the weight is of little consequence.

That's likely true for the majority ... but, in my case (living in an apt complex) the batteries have to be removed & taken inside for charging. And that includes all the electronics & gear that I can't or don't lock up in the boat. I don't even have my LS system components wired or screwed down, so they come "inside" during the months I'm not using the boat (& that includes the LS tdx).

And it is for those very reasons that I see Lithium batteries in my near future ... just so I don't have to pack one 45lb & two 65lb batteries down to the truck, then into the boat, & vice versa for every one day fishing trip.

Originally Posted by Atimm693

These LS battery ideas just seem like solutions looking for a problem to me.

Why not just run a house battery for everything? Bilge, lights, all graphs, aerator, and your LS. A 100AH deep cycle battery is $100, hook it up to your onboard charger, plug it in and forget it. No hassle of removing it, charging it separately, and then forgetting it at home. Your starting/trolling batteries can be left alone to their respective duties.

Chances are if you have livescope, you have a boat big enough to fit another battery, and the weight is of little consequence.

You presume too much. I had Livescope on my kayak and weight was a big consequence. Also, most pre-wired boats skimp on the accessory wire size, including my Alweld, so I had to fix that as well, plus add batteries for a 24V MK. Everyone's needs and requirements on an install are different, so it is good to have options, and discuss them.

I bought an Amped Outdoors 30ah battery to run my 93sv, GLS10, and lvs32 independently. I did it for a number of reasons (weight being a lot of it), and so far am happy with my purchase. Have only been able to fish twice with it, but have fished for >7 hours both days and haven’t had a bit of voltage drop yet. The battery weighs 6 pounds. Another reason was I only have a 12v system in my boat (one battery running trolling motor, big motor, etc) and didn’t even want to chance running that battery down in a day of fishing and being stranded. It cost me $189, but so far it was well worth the money.


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