My Jackery is an older one and it doesn’t do passive power, so it’s not great for reef tanks. Just double-check the Jackery model you’re looking at to make sure it actually has passive power.
I changed mine after 2 years. I noticed during this change that the membrane still looks super clean. I sent a picture to BRS at the time, and they suggested that it was still good based on my usage. Once I peeled the layers of membrane for BRS support, you can no longer use it. I was just...