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Old 07-21-2015, 04:53 PM   #11
fog cutter
 
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Default Re: FAQ: Batteries

lacking extensive electrical skills and even at this juncture a clear need for the amount of technology i want to be burdened, i'm leaning towards a "plug 'n' play" system. is there a general consensus, whether for technology, endurance, or simply good customer support (located in the US), for either of these power blocks?

#1. Goal Zero 400
#2. Blue Sea
#3. ArkPak

i would prefer future additions be like manufactures for consistency. tried a search but came up dry.

thanks
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Old 07-21-2015, 08:23 PM   #12
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Default Re: FAQ: Batteries

The only thing I can say is BlueSea, in general makes very good products. Can't Opine on the others.

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Old 06-28-2017, 03:51 AM   #13
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Default Re: FAQ: Batteries

The group 49, H-8 replacement batteries have changed their size in 2016 and I cannot find a replacement battery for my sprinter RV that will fit in to foot well! It is a really tight fit and previous attempts have resulted in burning a hole in the floorboard. Everything is 7 1/2 " tall and 7 1/4 is my max. Any thoughts?
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Old 06-29-2017, 12:57 AM   #14
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Default Re: FAQ: Batteries

Could you file 1/4" off the terminals? Also, some battery manufacturers give the option of different style terminals. Some may be shorter. Or, you could build another battery cover that gives you more clearance.
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Old 06-29-2017, 02:58 PM   #15
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Default Re: FAQ: Batteries

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Originally Posted by Daystar View Post
Could you file 1/4" off the terminals? Also, some battery manufacturers give the option of different style terminals. Some may be shorter. Or, you could build another battery cover that gives you more clearance.
Along similar modification thoughts...

Use a large socket or pipe nipple as a die with a ball pein hammer to "dimple" the area above the terminals. I would then line the dimpled area with some tough plastic sheet for insulation.

Added: Cut out the areas above the terminals and use some clear epoxy with fiberglass cloth to rebuild the cover high enough. That would make some good tough electrical insulation. (I wouldn't use JB Weld. I believe it contains enough metal that it could be conductive.)

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Old 08-10-2017, 04:04 AM   #16
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Default Re: FAQ: Batteries

Well I'm having trouble finding the answer to using the vehicles stock alternator or buying and higher output secondary alternator to produce a voltage and frequency that is compatable with charging a lithium battery. Someone or everyone tell me how bad of an idea this is. Just buy some decent amp/hr agm deep cycle batteries for under the hood, use the stock alternator (for now) run a cheaper (non UL) inverter and an actual Li battery off that. That way when I'm driving it's charging and when I'm it's off. Perfect profile charge. Say the charger was a 30-45a charger. Can an agm transfer that much amperage? This way in can trash my under the hood agm ($200-$300) and throw them away in 18 months. Please geek out on me. I'd rather not ruin a $3k Li.
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Old 08-13-2017, 04:38 AM   #17
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Default Re: FAQ: Batteries

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Please geek out on me. I'd rather not ruin a $3k Li.
Well, not me geeking out, but read... https://marinehowto.com/lifepo4-batteries-on-boats/
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Old 08-13-2017, 04:20 PM   #18
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Default Re: FAQ: Batteries

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Well, not me geeking out, but read... https://marinehowto.com/lifepo4-batteries-on-boats/


This is an excellent write up. Thanks for posting


Scott
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Old 08-16-2017, 03:08 AM   #19
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Default Re: FAQ: Batteries

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Well, not me geeking out, but read... https://marinehowto.com/lifepo4-batteries-on-boats/
Good stuff! I hadn't been to the Compass Marine site in a while. Nice to see he has reorganized it nicely.
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Old 01-26-2018, 04:50 PM   #20
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Default Re: FAQ: Batteries

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Well, not me geeking out, but read... https://marinehowto.com/lifepo4-batteries-on-boats/
Wow! That convinced me to stick to AGM.
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