On-grid domestic battery storage

QrizB

There's a thread over in "Consumer Rights" where someone's 8.5-year-old Pylontech batteries are supposedly failing and they're being compensated prorata under a warranty arrangement:

https://forums.moneysavingexpert.com/discussion/6646459/solar-battery-warranty

That's pretty elderly for a Pylontech system, I think? So fairly good news for battery durability?

I think this is the system the OP in that thread has, based around Pylontech cells and a Victron inverter:

http://graham.auld.me.uk/projects/moixa/

Also here: https://shkspr.mobi/blog/2023/08/review-moixa-4-8kwh-solar-battery/

An earlier Moixa "smart battery" system used two 25.6V batteries (8 LFP cells?) and a pair of Enphase micro-inverters:

https://www.ebay.co.uk/itm/134780473343 (this auction will eventually expire, but the photos are still up at present).

Also here: https://shkspr.mobi/blog/2016/03/meet-maslow-the-uks-answer-to-teslas-powerwall/