Lux ac battery controller

Starfrog

you you only need 2x2.4 aoboet batteries for 3.6 discharge 

ianatkin

Starfrog said:

you you only need 2x2.4 aoboet batteries for 3.6 discharge 

That's not what I was told when I bought mine, I was told I needed three to get 3.6kW - though in reality I still only get 3kW and that's only for about half of the battery capacity (20% SOC) before it drops to 1.7kW.

EVandPV

According to the datasheet, the nominal output for a 2.4kwh Uhome battery is 1.2kw, same as the Pylontechs.  So you would need 3 batteries for 3.6kw.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.enf.com.cn/Product/pdf/storage_system/5f1a49d6e51b0.pdf&ved=2ahUKEwjy1ZPs4Mf2AhVIUMAKHebjDcoQFnoECBcQAQ&usg=AOvVaw1gKBXX4Q1pEHL9deTJkYH8

Starfrog

I'll double check but pretty certain i get 3.6 when my Aoboets are being asked to provide power with only 4.8 in array

Starfrog

Ok when I look back at how much the battery was providing when there was high demand it was 3kWh from 2 x 2.4kWh Aoboets. Thats from looking back at my power usage and draw from grid and it show when consumption of power was higher than the solar or no solar (at night) then the battery would discharge at just under and over 3kWh 

madswitcher

Pylontech  US2000c spec. 2.4KWh ???????? Why 1.2

Starfrog

madswitcher said:

Pylontech  US2000c spec. 2.4KWh ???????? Why 1.2

i guess some batteries BMS just are designed to do more but I also believe and I know someone a lot smarter than me about this stuff will advise, that basically virtually all these batteries are built the same they all give around the same performance but builders choose to really push the envelope and drive them harder which potentially will shorten the MTBF or the usable life. they might upgrade other components to offset that but battery tech is pretty standard its the stuff around them that is what makes the difference. 
 

madswitcher

correction. Usable capacity 1.92 KWH

EVandPV

madswitcher said:

Pylontech  US2000c spec. 2.4KWh ???????? Why 1.2

2.4kwh is the capacity, 1.2kw is the power output.
Kwh and kw being seperate measurement units.

EVandPV

Starfrog said:

Ok when I look back at how much the battery was providing when there was high demand it was 3kWh from 2 x 2.4kWh Aoboets. Thats from looking back at my power usage and draw from grid and it show when consumption of power was higher than the solar or no solar (at night) then the battery would discharge at just under and over 3kWh 

The Uhome datasheet states a 3.5kw peak burst for 3 seconds.