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Im thinking i need to refigure lots of things. Previous house was 2700 sq ft and twin 5 tons This house is 1900 sq ft and one 5 ton. I have a Neurio Home Electricity Monitor. Moving usage around to off peek saved my a 100 a month in electric. Ill hook it back up just on the heat pump portion...

O i like that math way better. My electric is 24 cents not 13 Panels are 35 cents a kw here local on auction, i have seen them down to .07 but that was back in the 09 crash. Night temps in july only to to mid 90s, it never cools off. Two 5 ton heat pumps cycle on and off, the run less than they...

Isolating in intresting. Is there inverters that take inputs from multiple battery banks?

Making 15 amps 24 hrs a day 1800 watts an hour 43200 watts total per day 30600 watts during night 19x 320w pannels 31kw battery bank Not figuring in any losses Why does this seem like a huge system just to run 1 ac? Something is messed up in my math. My whole house uses 39,000 kw per day

My house has 10 tons of ac on it, a 1 ton window ac will run non stop. The math im looking for is non stop supplying 15 amps I cant find any real amps per window ac the older they are the worse they are. Just like korishan says 12 amps for his, i read 9-14 A mini split is way more efficient...

What i want to do create a 2nd fuse panel ran entirely off solar. For the easy of math i only want to run one window air conditioner, 12000 btu. (This will be scaled up at a latter date) 15 amps at 115 volts= 1720 watts I would need 6 x 320w solar panels just to run in a 100% efficient world...

Its been over a year and this thing is still working great. The higher voltage makes it faster and the capacity is about 4x more than factory.

What your not thinking of is killing the firemen when your house is on fire. Here in arizona there is a sign atached to the fuse panel that says its back fed. What that does is in a fire when they shut the breaker off they know to shut the solar off also. I think i sign would cover all your...

The questions have already been answered. Theres no point in me going further with a lithium install in this. a converter to feed the inverter is just as much money as buying a new inverter. Since i cant feed the inverter there would need to be lead acid and lithium. If i was build a system...

I dont know for sure but im going to guess 20-50 amp max. The problem i have is the new rv is already wired and the inverter is already installed. So i get a converter or a converter and a dif inverter.

Your comparing 48v panels to 12v 100w 12v panels are around 100 each.

I could split some of the loads. The inverter i have is a trace engineering voyager 2500w I looked today for the max input volts and couldnt find. The inverters they make have 15.5 or 16.5 max, if its 15.5 its going to blow this whole deal out of the water. When you price a 3000 watter dc to...

So if i have 100-200 amp loads at 12v what would you recomend buying?

My whole pack is made from them, before i found this site. They are not 4.2v cells they are 4 or 4.1 I charge to 4.0 and have had 0 problems.

What is everyone using for a 48v to 13.8v converter? The biggest i find is about 60 amps I have a 5kw rv set up thats not installed yet. The motorhome has both 12v and a trace engineering 2500w inverter. I have 2 options going to 36v or 48v and using a buck converter for everything. The...

whats max discharge amps on a 10 year ot 20 year old laptop cell?

Thanks DarkRaven Seems i might be the one that is wrong. That second cell that is 20a max discharge is also 75c max temp during discharge which is too hot to hold. So what is a power tool battery max discharge then?

What would be max amp draw on a 10kw pack for tesla? I didn't say powerwall in my op.

I'm feel like im concerned with what lots of people here seem to be doing. Tesla has a 85kw pack in there car, It is that large cause it has to be(amp draw). Now your never going to hear them advertise that. Old laptop cells are not rated for 10 amps, Some of these old shitters are rated for...