Writing this mainly to vent..
6 months ago (1.5 years after installation) I got the click of death. It happened when I switched the house over to run only from the battery during a power cut. It's the first time I'd ever tried this, so was pretty disappointed when instead of restoring power to the house, it killed the inverter. Contacted the installer and GivEnergy (wasn't sure who was best to contact, so tried both), and both were helpful. GivEnergy asked for a video and replaced the inverter.
Everything was fine. I figured I'd probably just never switch the house over to battery only again, as it wasn't worth the risk.
About 6 months later, on the 2nd of January 2025 I did a random check of the GivEnergy app to find the battery was at 0% and not charging from solar. Seems it had stopped working on the 26th of December. I checked the battery, and discovered the click of death again.
I called GivEnergy but it said the phone line is closed and to contact them through the site, so I did that. On the 7th of January, having had nothing back, I email them a video of the click of death (which is what they asked for last time), and asked if anyone received my original query. I also called again for good measure. Phone line was still closed.
Today (10th January) the GivEnergy phone line is still closed. I think the message perhaps actually means it is closed permanently? They still haven't responded to my queries.
I contacted my installer a few days ago, who were helpful and asked me to email them the video, which I did. I'm expecting a call back from them today (I've been away for a couple of days). Hopefully they can do something, but it was GivEnergy who dealt with it last time.
I got the battery 9 months before they switched to a 12 year warranty, so I'm only on a 5 year warranty. Their website is clear that that is just tough luck on my part. The inverter has died twice in the two years since it's been installed, so my expectation now is it will almost certainly be dead shortly after my warranty ends, and before it's earned back the installation cost.
Currently very disappointed with the battery dying again, and GivEnergy having become unresponsive, and having only a 5 year warranty, and my decision to go with GivEnergy.
