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#11044206 - 08/15/15 07:21 PM LED's on a 5 amp battery!
J.T.69 Offline
Angler

Registered: 03/13/10
Posts: 352
Loc: Rice,texas
How long will it burn bright? I have 4 strips now and wondering if I need to put theme on a bigger battery? Most the time it would just be a few hours but may pull a all nighter sometimes!
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Troy Foreman
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#11044303 - 08/15/15 08:13 PM Re: LED's on a 5 amp battery! [Re: J.T.69]
TheSinistral Offline
Outdoorsman

Registered: 04/08/14
Posts: 55
Loc: Mckinney,Tx
To answer, You have to know the amp draw. If u have a 7 amp hour battery and lights draw 1 amp then it would last 7 hours ( I think).

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#11044368 - 08/15/15 08:40 PM Re: LED's on a 5 amp battery! [Re: J.T.69]
jnd59 Offline
Pro Angler

Registered: 06/17/07
Posts: 637
Loc: Weatherford
It's been a while but convert your watts into amps by dividing total watts (add up watts of the four strings) by voltage. This is your amp draw more or less.

For example, if you have lights that total 24 watts and four 1 1/2 volt batteries that total 6 volts, your amp draw is 4 amps. The same watts on a 12 volt battery would only draw 2 amps.


Edited by jnd59 (08/15/15 08:45 PM)
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#11045803 - 08/16/15 05:48 PM Re: LED's on a 5 amp battery! [Re: J.T.69]
J.T.69 Offline
Angler

Registered: 03/13/10
Posts: 352
Loc: Rice,texas
Well I done it the red kneck way and turned theme on at 9 last night and checked theme threw out the night lol! Still burning at 8:30 this morning with 9.7 volts left. Still seamed fairly bright in the daylight! Thanks for the info!
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Troy Foreman
Pro Team 175 Tracker
8.2 PB Purtis Creek 2015

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#11047482 - 08/17/15 03:36 PM Re: LED's on a 5 amp battery! [Re: J.T.69]
TxSteveO Offline
Outdoorsman

Registered: 08/12/12
Posts: 27
Loc: Little Elm, TX
Most LEDs burn about .4 milliamperes /hr or .4 mah per meter. So depending on how long your strips are, you could be in the 2-3 milliamperes per hour for all four strips. Your 7ah battery (7000 milliampere hours) should last you about 2000+ hrs if that's all you have pulling from it...

This is my understanding from the reading I've done anyways...

**not an EE**


Edited by TxSteveO (08/17/15 03:38 PM)

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#11047514 - 08/17/15 03:50 PM Re: LED's on a 5 amp battery! [Re: J.T.69]
J.T.69 Offline
Angler

Registered: 03/13/10
Posts: 352
Loc: Rice,texas
Thanks for the info Guy's
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Troy Foreman
Pro Team 175 Tracker
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