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Message: <blockquote data-quote="binky" data-source="post: 553485" data-attributes="member: 490"><p>You havn't been around solar as long as I have<img class="smilie smilie--emoji" loading="lazy" alt="😃" title="😃" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f603.png" />. Even so called AC batteries still charge batteries on DC converted from AC, all batteries are DC. I will try to find an old DC system to show you what I'm on about, but the fundamental difference was these released DC into  a standard solar inverter. There was no/ little control of the energy release. On a two string solar system they were fitted to one string, stored energy during the day, and released it when the sun went down to effectively give a longer spread of energy into the evening. If you were not using any energy, you lost it to the grid. This didn't matter so much as you still got your FiT payments, they just offered an enhanced ability to reduce your energy bills in the evening. In reality, like all the early batteries, they cost more than they could save you.</p></blockquote><p></p>