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 Lithium Battery Device Hours calculation…
#15231044
10/30/24 01:05 PM
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Joined: Nov 2005
Posts: 3,674
CrazyCrappieGuy
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Nov 2005
Posts: 3,674 |
I got this right? First 3 rows are inputs, last row calculation. ![[Linked Image]](https://texashuntingforum.com/forum/pics/userpics/2024/10/full-2250-435226-battery_hours.jpg)
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Re: Lithium Battery Device Hours calculation…
[Re: CrazyCrappieGuy]
#15231290
10/30/24 03:51 PM
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Joined: Nov 2005
Posts: 3,674
CrazyCrappieGuy
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Nov 2005
Posts: 3,674 |
My formula above is wrong. My formula assumes you could run 12v device with 24v battery.
The formula is [Battery Ah] / [Device amps], assuming device volt match battery volt.
So a 24v trolling motor, 56amp draw, with 24v 100Ah battery, would run 1.79 hours.
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Re: Lithium Battery Device Hours calculation…
[Re: CrazyCrappieGuy]
#15231404
10/30/24 04:55 PM
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Joined: Mar 2010
Posts: 27,643
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 27,643 |
My formula above is wrong. My formula assumes you could run 12v device with 24v battery.
The formula is [Battery Ah] / [Device amps], assuming device volt match battery volt.
So a 24v trolling motor, 56amp draw, with 24v 100Ah battery, would run 1.79 hours. That's what I come up with. Calculator
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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Re: Lithium Battery Device Hours calculation…
[Re: CrazyCrappieGuy]
#15231528
10/30/24 06:50 PM
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Joined: Mar 2003
Posts: 11,262
Fishin' Nut
TFF Guru
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TFF Guru
Joined: Mar 2003
Posts: 11,262 |
My formula above is wrong. My formula assumes you could run 12v device with 24v battery.
The formula is [Battery Ah] / [Device amps], assuming device volt match battery volt.
So a 24v trolling motor, 56amp draw, with 24v 100Ah battery, would run 1.79 hours. That is if you run it at full speed, 100% of the time. I have only ran my lithium's down one time. That was after 7 hours of spot lock when G Dam was releasing over 80/k per second on the Tennessee River after Hurricane Helene. Mine will trip the breaker if I run it full speed for more than 10 or 15 minutes.
Birds of a feather, flock together.
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