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Old 05-13-2015, 08:53 PM   #1
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AGM vs LED

What will give you more bang for your buck, switching out all your incandescent bulbs to LEDs or switching the wet cell batteries to AGMs?
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Old 05-13-2015, 09:08 PM   #2
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Led
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Old 05-13-2015, 09:14 PM   #3
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Old 05-13-2015, 09:27 PM   #4
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LED's. Similar size AGM vs wet cell will have about the same amp hour rating, but the AGM you can discharge to about 80% discharge, a flooded cell can be discharged to about 50%, based on safety of battery life for both. So a similar size battery with 100AH rating, you'll get 30% more AH. LED's are about 80% more efficient than halogen and incandescent bulbs. So those 10-20 watt halogen bulbs become 1.5-3 watt led bulbs. So you're trading off 30% extra battery capacity for 80% less draw by the lights.
This is looking at the lights only perspecrtive, it doesn't take into account extra 30% power the AGM will get you for running the fridge, furnace, or other 12v loads.
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Old 05-13-2015, 09:34 PM   #5
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But I got seven years out of my Optima AGMs, and didn't have to build another vented battery compartment to place a second batt.

I don't use the trailer lights much. and I spend most of my waking hours out side. I have been using solar powered LED garden lights. Zero drain on my house batts. For me it's enough light. Use them inside and out.
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Old 05-13-2015, 11:37 PM   #6
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Old 05-14-2015, 12:13 AM   #7
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LEDs are MUCH less expensive ...
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Old 05-14-2015, 12:21 AM   #8
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If the majority of your usage is lighting, you're much better off with LEDs. If your lighting use is slight but you're running the furnace blower and a couple CPAP machines quite a bit, AGMs could conceivably be a better deal.

Or do both.
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Old 05-14-2015, 03:59 AM   #9
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LED's then upgrade to the AGM's when the time comes.

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Old 05-14-2015, 07:00 AM   #10
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LED, but AGM is maintenance free, to a large degree and as has been stated before, ability to deep cycle the AGM.
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Old 05-14-2015, 07:25 AM   #11
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LED's are low cost and Quick to put in and cut demand on the system.
Before AMG install a 4 stage charge controler is a must if the AMG's are to last.
Best is a Pure sine wave Inverter charger that output's 120 Volts AC.
then add 200-400 Wats of Solar to finish system mine has run 4+ years.
The best webb sight is A&M solar, read all of it before you start.
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Old 05-14-2015, 07:59 AM   #12
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I opted to do ALL OF IT at one time with my new Classic. All of the OE lighting is LED (except for the Baraldi range hood -- for which I have already replaced the halogen bulbs). I added the Magnum MSH inverter...which has a highly sophisticated inverter/charger set-up, as well as a 600W AM Solar package. 4 Lifeline 6V AGM batteries which are INSIDE the trailer. Granted, a fair expense, but no trade-offs for off the grid trailering. Also, no worries about battery overcharging with a high-quality system. For dire straits or A/C, I have a Honda EU3000i Handi.
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Old 05-14-2015, 08:10 AM   #13
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LEDs as first step.
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Old 05-14-2015, 08:29 AM   #14
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I thought AGM's typically had less amp hours for the same size as their wet cell counter parts. This has been my experience.

Also, LED's first.
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