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Author Topic: Lithium Iron Phosphate Rechargeable Battery  (Read 5637 times)

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #15 on: Mar 14, 2021, 10:38 PM »
An update on things.

The three chargers I ordered were delivered last week.
The two 8A units arrived and a 20A.
But I ordered a 30A, not a 20A.
So I sent an email to Carl in China and he responded that he would look into this and get back to me.
I'm sure he will as he has always been very prompt.

The batery has shipped also but cannot be shipped air freight so it's on a ship.
Typically takes 30-35 days to do the trip and clear customs and duties.
Then it goes onto a FedEx truck to get to me.
I have the FedEx tracking number but it won't be worth anything untill they have it in thier hands.
Probably looking at mid to end of April before I see the battery.

tick tock

Flukeman

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #16 on: Mar 23, 2021, 10:32 AM »
Mac I wish I had seen your post sooner. But in case your situation does not work out, here are my experiences. I have the 36v 112# Ultrex and my buddy has 36v 112# Ulterra. We both have 3 Interstate 31's. These new trolling motors are so much more efficient than they used to be. I fish hard on mine for bass tournaments for 9 hours, practice days for 12 to 15 hours and it never flinches. Some of those tournies we are beating the crap out of our trollers in 6 footers, to eating up massive thick weedbeds depending on whether we are chasing smallies or largies..

I have trolled walleyes with my buddy using cranks, dixie spinners, and spoons for a 12 hour day in 1 to 1-1/2 footers with no problems with his trolling motor. Granted I have never done the trolling thing with him in any heavier waves so performance may be different in that case.

These new trolling motors are just amazing on battery usage..

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #17 on: Mar 23, 2021, 04:53 PM »
Yup
Wonít much matter, at 200ah, Iíll have 2x what a set of 31ís would give me.  So I doubt Iíll ever run out of juice.
It shipped 2 weeks back.
Probably be 3-4 more weeks before I hear anything from FedEx
Tick tock.

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #18 on: Apr 17, 2021, 10:33 AM »
Just got an update on the lithium battery.
Says it will be delivered by end of the day next Friday.
Woohoo!

 :thumbup_smilie:

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #19 on: Aug 16, 2021, 09:09 AM »
As you all know, it was lost by FedEx way back then.

Anyway, the 2nd one the company built for me is scheduled to arrive at my company later today by FedEx.

We'll see.

Stay tuned to this channel for updates.

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #20 on: Aug 16, 2021, 06:32 PM »
It's here.............and it sustained damage during shipment.
(of course it did)
I cannot win.

Not bad and I can repair it easily.
The ceramic/plastic sleave insulator around the negative terminal busted in a dzen pcs and isnt there anymore.
Also the plastic thumb cap on the terminal nut on the same negative terminal cracked off in a few pcs.
I have sent an email to the copany asking what to do.
I did not want to remover the case top until hearing back from them.
We will see what they say.
A good note - the battery tested at 39+ volts on my VOM.










KingPerch

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #21 on: Aug 16, 2021, 07:43 PM »
Sorry to hear of your issues, Mac. We ordered 4 Dakota lithium batteries with no issuesÖ they are performing flawlessly. They shipped when they said they would and sent emails with tracking. Maybe you could give them a shot. Good luck!!
ďIíve never met a Perch I didnít like!!Ē 😁

Accept who You are. Unless You donít like fishing, then get some help!!- Karl VonDibble

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #22 on: Aug 16, 2021, 08:57 PM »
Sorry to hear of your issues, Mac. We ordered 4 Dakota lithium batteries with no issuesÖ they are performing flawlessly. They shipped when they said they would and sent emails with tracking. Maybe you could give them a shot. Good luck!!


Thanks, but I'm not going to spend another few thousand when I already have a battery.

I have repaired the terminals.
However the bluetooth feature it was supposed to come with is not being seen by either my iphone or the app they had me download.
I have been in contact with the supplier and so far they have been very responsive.
I documented everything in a Word document with tons of photos and descriptions and sent that to them.
Let's see what they come back with.

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #23 on: Aug 16, 2021, 09:46 PM »
The Bluetooth and BMS option they used was a newer upgraded version and required a different ap to connect and monitor.
I downloaded the ap and it displays on my iPhone well.
Itís now charging.
Iíll check it in an hour or so and then again in the morning to see how it does.

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #24 on: Aug 17, 2021, 08:10 AM »
Just checked it and it's up to 76% SOC (State Of Charge).
It was at 34% last night when I checked it.
The chagrger is only an 8A unit, so it is on schedule according to the simple math I did last night.
It should be fully charged in another 6 hrs or so.
It's a 200Ah battery.
At say 190 Ah depleted, it should take about 23.75 hrs to fully charge.
Typically I only fish one day a weekend, so the 8A charge will work well.
Also, it's always best to charge a battery at a slower rate for best battery life.
I also have a 30A charger for trips when I'm fishing every day and when I need to charge more quickly if and when needed.

So other than a tiny dent, and the temporary terminal insulator fixes I made, the battery is fine.
The company is sending me the correct parts to fix things permanently.

I'm satisfied.

It's been a long road.

I'll post a photo later when I get it put back together.

Jethro

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #25 on: Aug 17, 2021, 08:26 AM »
Interesting! Glad to see you finally got it Mac, hope it's all you expect it to be.

KingPerch

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #26 on: Aug 18, 2021, 06:44 PM »
Best of luck, Mac!!
ďIíve never met a Perch I didnít like!!Ē 😁

Accept who You are. Unless You donít like fishing, then get some help!!- Karl VonDibble

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #27 on: Aug 18, 2021, 06:51 PM »
I brought it out to the lake to install.
Friday.
(Tomorrow the Fair)

Iím stoked to see how it performs.

Stay tuned to this channel.

Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #28 on: Aug 28, 2021, 04:44 PM »
Ran the battery today for the first time.
It was at 99% when we started and 81% when we quit.
Trolled at my typical setting of 4-4.5 (0-10) on the Ulterra.
Trolled for 4.5 hrs
Used the ipilot most of the time
>95%

So I figured that I used about 4% per hour.  I know thatís not entirely true but the battery voltage stays the same from 99% down to 5-6% they say, soÖ..

In any event, I figure that it will take me like 20 hrs of trolling to use like 80% of the battery.  And that will never happen!

If the 4000-6000 charges are true then this battery is far more cost effective than a LA battery.

I have determined that I didnít need 200ah, but itís nice to know I have tons of reserve.  I will be taking the battery to FL with us to use on my pontoon boat down there.  Itís nice to know if my main engine craps out I have enough juice to use the electric to get home or to safety.

Here are 2 pics of it and the 36V, 8A charger.  BTW, it weighs 120#.








Here is a screen shot of the Bluetooth app on my phone where I can monitor the battery status.  This was while trolling.






And here is a screenshot of it a few minutes ago when I connected the charger to it.  It wasnít yet to the full 8 amps when I captured it.





Mac Attack

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Re: Lithium Iron Phosphate Rechargeable Battery
« Reply #29 on: Sep 19, 2021, 09:27 PM »
Another update.
Yesterday we trolled almost all day against the wind and waves.  Consequently, I was forced to run the Ulterra up around 5.5-6 setting vs the 4-4.5 where I typically operate.
The SOC said the battery was at 69% when we got back in.
We started trolling about 8am and quit at 1:30
That 5.5 hrs and we used roughly 62ah of the batteryís available 200ah.
That being said, the most obvious thing that stands out is we certainly could have gotten by with a 100ah battery.
Itís great to have the safety factor of the 200ah but it weighs 122 lbs.
A 100ah battery would weight about 65-70lbs.
Overall, I am very happy with this battery and highly recommend them.  Yup, they cost a bunch but I feel they are well worth the investment.

 



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