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PostPosted: Tue Aug 28, 2018 9:55 am 
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Joined: Tue Sep 11, 2012 10:36 am
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Since 12 volt lithium batteries are widely available, they are great for fish finders. But, 6 volt lithium batteries are not widely available. In fact, I have located one in China that might work (heavy emphasis on might). The Attwood Tsunami pump, that is used on the Hobie live well, is actually a 12 volt pump. But, Hobie uses a 6 volt battery for them. Can this pump be used safely and properly with a 12 volt battery or is there another pump that I can use with a 12 volt battery?


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PostPosted: Wed Aug 29, 2018 7:31 am 
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I believe they use a 6 volt battery on a 12 volt pump is to crank down the power of the circulation........ at 12 volts the thrust is too strong to keep bait in good shape


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PostPosted: Wed Aug 29, 2018 7:56 am 
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That's what I figured; However, that is like I had a 63 VW that I changed to a 12 volt system, except for the starter. It really cranked well until it finally burned out. Wouldn't it be better to find a suitable 12 volt pump so we can use a lithium 12 volt battery for it?


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PostPosted: Thu Aug 30, 2018 10:22 am 
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Please let us know if you find one


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PostPosted: Thu Aug 30, 2018 3:06 pm 
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I've ordered a 6v 10ah and a 12v 10ah lithium battery from China (Alibaba). I'm not holding my breath on the length of time for the shipment, and I have low expectations on the quality. But, I feel it is worth a try and I'll let you know how it goes.


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PostPosted: Fri Aug 31, 2018 7:42 am 
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The pump you listed is a 12 v pump so you can use a 12 v battery. Is is just too powerful for the live well. Be very careful about cheap Chinese lithium batteries......... they have caught on fire more than once.


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PostPosted: Wed Oct 03, 2018 3:09 pm 
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Thanks for the warning. I just received the 12v lithium ion battery and it weighs 1.7lbs compared to 5.4lbs lead acid one. The size and looks are exactly the same (I'd post a photo, but not allowed). I'll let you know how it goes and when I receive the 6v battery.


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PostPosted: Tue Nov 27, 2018 5:16 pm 
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So, after almost 5 weeks of testing (kayak fishing - don't you love it) the 12v 10aH battery outlasts me. That includes running a Lowrance Elite 5 Chirp from 4:30am to 4:30pm. The 6v 10aH didn't fair as well, which makes me believe that it is not what it claims to be (imagine that). Running only the Hobie Livewell, it has averaged about 3 hours. Now, I have switched it to a back up battery and use my Interstate 6v 9aH battery, which lasts about 10 hours. So, all in all, I took a risk buying Chinese batteries, but I think it was worth it, for the cost. Now, we'll see how long they last, as lithium batteries are supposed to have a longer lifespan.


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