EEVblog

EEVblog 1719 – 75kWh Home Storage Battery Expansion

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Expanding the AERL home storage battery from 25kWh to 75kWh!

Also replacing the 5kW Deye hybrid inverter with an 8kW Solis hybrid inverter.
And installing a changeover switch to power most of the house from the Backup port in the new inverter.
https://www.aerl.com.au/products/life2-battery
https://www.thomsonenergy.com.au/
Solis s6-eh1p8k-l-plus-au
https://www.solisinverters.au/uploads/files/202506/Solis_Manual_S6-EH1P(3-8)K-L-PLUS_AU_V1,1(20250530).pdf

Forum: https://www.eevblog.com/forum/blog/eevblog-1719-75kwh-home-storage-battery-expansion/

00:00 – 75kW Battery Expansion

05:11 – The new AERL 10 way outdoor battery cabinets
07:28 – New Solis 8kW Hybrid Inverter
08:27 – 70sqmm DC battery cable
09:22 – New Changeover switch + New 10sqmm cable run
10:19 – The old 25kWh rack
11:03 – New grid side energy meter
12:03 – Wire strippers or Pliers?
14:10 – Can you get an entire system for free?
14:45 – 70sqmm wire crimping
15:36 – Dave’s spidey sense kicks in
16:09 – Trick of the Trade: Bending PVC piping
17:00 – Always trust Dave’s spidey sense
17:17 – Nighttime install!
22:02 – RJ45 termination in the dark
23:18 – First test, something seems wrong…
26:17 – Nest morning troubleshooting
28:52 – It’s always the current clamp
31:19 – Switchboard upgrade with Changeover switch
33:32- Stress testing the Solis backup port

...more
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EEVblogBy David L. Jones
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