If you are interested in batteries, you probably don't want microinverters. One version of the PW2 will likely work, but it would charge from an AC connection to your service panel. The question is whether it can tell (presumably by talking to a smart meter) when you are exporting electricity.
Tesla sold about 5000 PW1. Not a lot, but not vaporware either.
Tesla sold about 5000 PW1. Not a lot, but not vaporware either.
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