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Solar - 8kW Hybrid Inverter w/10kWh (upgraded to 20kWh in Sept. 2022) ESS/battery (not DIY)


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  • 3 weeks later...
  • 1 month later...
Posted (edited)

If planning on having Solar & BEVs for transport, then size you system accordingly, if wanting to be almost off grid. We did not, but have plenty of excess solar ... usually :cheesy:

 

An example of local exploring and charging with solar.

Edited by KhunLA
  • Like 1
Posted

Interesting stuff ... 

 

... ours are inside, in AC comfort, along with hitting 100% everyday.  We wake up with ESSs @ ~60%, so usually 8kWh or less overnight of our 20kWh of ESS.

 

Going to put a small system outside soon, and already thought about using a shed with small AC unit.  Maybe in conjunction with a chicken coop.

 

 

 

 

Posted
1 hour ago, KhunLA said:

Interesting stuff ... 

 

... ours are inside, in AC comfort, along with hitting 100% everyday.  We wake up with ESSs @ ~60%, so usually 8kWh or less overnight of our 20kWh of ESS.

 

Going to put a small system outside soon, and already thought about using a shed with small AC unit.  Maybe in conjunction with a chicken coop.

 

 

 

 

But who is discharging his Solar Batteries to zero, I guess nobody.

Posted (edited)
2 hours ago, KhunLA said:

Going to put a small system outside soon, and already thought about using a shed with small AC unit. 

There are a number of heat sources in solar power production some of which don't care if the ambient temperature goes up a bit (within reason).

 

There is no point to waste A/C power trying to keep inverters etc. at 25ºC. It would be more energy efficient to enclose just the batteries and control the temperature of that enclosure.

 

That figure of 25ºC is an older standard, particularly important for lead acid batteries, which can be increased to 30ºC for LiFePO4's and Lead Carbon batteries.

 

Added to that I have long been advocating to charge batteries to less than 100%. It is far less stressful on the chemistry and will prolong the battery's life if it is only charged to (say) 95%.

Edited by Muhendis
  • Thanks 1
Posted (edited)
1 hour ago, KhunLA said:

 

Knowing me, well, the wife, she won't be building a shed just for battery, but small sitting area.   Going by the small greenhouse she built, sized about the same as 1 bdrm / 1 bath single story detached house.  Bigger than the daughter's newest condo rental, I think.

 

But honey ... your figs take up a lot of space ... 🙄

 

Ahaa. 

The wifey.

That's a heat source I hadn't considered.

You could be quite reasonably consider a 3MW inverter A/C for that I expect.

Any further talk of your 'figs' and I will be tempted to report you.

Edited by Muhendis
  • Haha 2

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