02-12-2017, 12:46 PM | #11 |
Gone Wild
Join Date: May 2015
Location: Houston
Posts: 903
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Re: how long?
Look, everyone has preferences for having an accessory battery or not. If not, buy a digital gauge. Wiring it so that it reads a live voltage as long as key is turned on. Once your pack reads close to 49 volts or less, time to charge. You can either do that or watch a clock as you work. Either way you're gonna have to track the usage somehow. Volt meter is a simple way to do that.
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02-12-2017, 01:46 PM | #12 | |
Gone Wild
Join Date: Oct 2014
Location: South Florida
Posts: 241
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Re: how long?
Quote:
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02-12-2017, 01:53 PM | #13 |
Gone Wild
Join Date: Oct 2016
Location: Dundee quebec
Posts: 3,190
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Re: how long?
Way ahead of you. Installing a marine volt/ammeter so I'll know power usage at all times. My original question wasn't batt vs reducer but theoretically how long my pack would run the lights on the cart.
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02-12-2017, 02:55 PM | #14 | |
Gone Wild
Join Date: May 2015
Location: Houston
Posts: 903
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Re: how long?
Quote:
I would recommend possibly an LED option when and if possible as they draw far less current etc. |
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02-12-2017, 03:05 PM | #15 |
Gone Wild
Join Date: Oct 2016
Location: Dundee quebec
Posts: 3,190
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Re: how long?
Left my headlights [which I use as low beam] incandecent for now. The one problem with leds is in a snowstorm they don't warm the lens enough to melt off snow. The roof mounted light bar can also be useless in heavy snow as it causes blinding due to reflection off the falling snow. Looks like they will get a good test tonight as it is really coming down right now! Maybe I'll take some pics.
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02-12-2017, 03:24 PM | #16 |
Gone Wild
Join Date: Apr 2015
Location: Athens, GA
Posts: 349
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Re: how long?
Sergio, I was taking the amp hour rating literally as the amount of amperage that could be sustained for an hour. Thanks for the clarification, I digress!
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02-12-2017, 05:11 PM | #17 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: how long?
Quote:
A Trojan t-875 has a rating of 117 minutes at 56 amps, but that is until the cells get to 1.75V or 42V for the pack. Since most folks will stop at 50% SOC, You get approximately 1 hour at 60 Amp load. A lithium battery will deliver its energy if the load is 30 amps or 300 amps, so a 60Ah Lithium battery is practically equivalent to a Trojan t-875. A little off the topic, but still related |
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02-12-2017, 05:37 PM | #18 |
Gone Wild
Join Date: Oct 2016
Location: Dundee quebec
Posts: 3,190
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Re: how long?
By all means boys, keep discussing! I am trying to learn all I can about dc motive power. I can wire a building but this is new. Some great mind here [I think] said something that stuck with me. "If it sounds complicated, you don't completely understand it"
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02-12-2017, 09:13 PM | #19 |
Gone Wild
Join Date: Oct 2016
Location: Dundee quebec
Posts: 3,190
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Re: how long?
Nighttime shot.
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02-12-2017, 09:41 PM | #20 |
Gone Wild
Join Date: Jul 2016
Location: Charlotte NC
Posts: 1,165
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Re: how long?
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