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 > 6 volt batteries and an inverter

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crosscheck

Coldstream, BC

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Posted: 11/13/19 04:52pm Link  |  Quote  |  Print  |  Notify Moderator

jplante4 wrote:

I have 4 GC2s at 450 aH total and a 2000 watt MSW inverter and the microwave is iffy. I don't even try the hair dryer at 13 amps (AC) continuous.

We have the same set up except a PSW inverter. Run a 1200w Micro and 950w hair dryer with ease( but not at the same time).

Dave


2016 F350 Diesel 4X4 CC SRW SB,
2016 Creekside 23RKS, 490W solar, 2000W Xantrex Freedom 2012 inverter, 4 6V GC-2 (450AH)
2006 F350 CC 4X4 sold
2011 Outfitter 9.5' sold
Some Of Our Fun:http://daveincoldstream.blogspot.ca/

crosscheck

Coldstream, BC

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Posted: 11/13/19 05:25pm Link  |  Quote  |  Print  |  Notify Moderator

ajriding wrote:

If you are new to RVing then consider an alternate power source. If you only camp once per year then no biggie, batteries will die of old age before you can consume them, but using batteries to power up heaters, hair driers, ovens or other high power appliances will cost you a lot in batteries eventually.

btw, discharge to 50% is not going from 12 volts down to 6 or 7, check the charts. Down to 11 volts is a dead dead battery and past 50% discharge.

Inverters are dangerous in that they will run down your batteries quick. Batteries only have so many cycles of charge/discharge before they are no longer able to be charged back. GC batteries are superior to Marine Rv batteries and can take more cycles, but all will succumb to cycling to death.


From more of a full-timer or part-timer RVer standpoint:
A small 2,000 watt generator is little less than double the price of the two batteries, but should last forever. You just put gas into it.
By comparison, If you charge your batteries off your alternator then you are still putting gas into having available power it just goes un-noticed.

Solar can keep the batteries topped off, but will not provide enough power to run 2,000 watts (unless you have 2,000 watts of panels up there pointed directly into the sun). Solar recharges batteries, and assuming you use a little power here and a little there then 200 watts (not 2,000) solar can keep up, but if you use more than the panel is supplying (mayb on one 150 watts from a 200 watt panel) then u are still cycling the battery from charge to some level of discharge so using up the battery lifespan.

By your reasoning,all golf carts should have gas engines because frequent cycling of batteries will over the years cause the batteries to die. But why do most carts run on batteries? More and more campgrounds are restricting Genny hours. Many of these true deep cycle batteries have 500 cycles which depending on how often you camp and charge your batteries, could last anywheres from 5 years to eight before replacement. At $200 for 2 6v GC2 over 5 years is only $40/ year. We dry camp most of the time without running the Genny and it is because of hard working, deep cycle batteries, an inverter, plenty of solar and some charging when driving.

Dave

Lwiddis

Monterey, CA

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Posted: 11/13/19 05:38pm Link  |  Quote  |  Print  |  Notify Moderator

Can’t run a hair dryer? I’ll be a mess every boondocking day!


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watts solar-parallel & MPPT, Trojan T-125s. TALL pole for flags. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - (MOS 1542 & 1560)


Kayteg1

California > Nevada

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Posted: 11/13/19 06:01pm Link  |  Quote  |  Print  |  Notify Moderator

jplante4 wrote:

I have 4 GC2s at 450 aH total and a 2000 watt MSW inverter and the microwave is iffy. I don't even try the hair dryer at 13 amps (AC) continuous.

In my conversion I had 4 of cheapest batteries from Sam's club and could run 15k AC on them for about 20 minutes.
Normal routine was 1 l of coffee every morning, microwave, water pump, lights (that was before LED) all other operations and I did not have to start generator for 3 days.
They lasted for almost 12 years , so got my $46/piece money worth.
But I had high-tech inverter/charger with smart charging and prize it for good battery performance.





2oldman

Ca

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Posted: 11/14/19 02:51pm Link  |  Quote  |  Print  |  Notify Moderator

jplante4 wrote:

I have 4 GC2s at 450 aH total and a 2000 watt MSW inverter and the microwave is iffy. I don't even try the hair dryer at 13 amps (AC) continuous.
Those batteries should handle the load, if fully charged, and your wiring is sufficient. But, MW's don't particularly like MSW.

jplante4

Cape Cod

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Posted: 11/14/19 07:33pm Link  |  Quote  |  Print  |  Notify Moderator

work2much wrote:

jplante4 wrote:

I have 4 GC2s at 450 aH total and a 2000 watt MSW inverter and the microwave is iffy. I don't even try the hair dryer at 13 amps (AC) continuous.


Are you sure you aren't adding the Ah capacities to arrive at that? Std. Trojan T-105 batteries are 225Ah each. Connecting them in series would give you a 12v 225Ah battery. Or do you have an L16 sized battery?


I have 4 GC2s


Jerry & Jeanne
1996 Safari Sahara 3530 - 'White Tiger'
CAT 3126/Allison 6 speed/Magnum Chassis
2014 Equinox AWD / Blue Ox


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