Archive.

Products we have retired from the active benchmark: discontinued lines, exited brands, superseded generations. Each is frozen at its final score and pulled from the live leaderboards, but kept here (and reachable at its own scorecard) for owners weighing a warranty, and for the record.

Solar panels

EverVolt HK2

Panasonic · Premium Performance

73

Very good

Manufacturer exited the category. Panasonic exited the solar panel business in April 2025 and no longer manufactures or sells this product. Existing warranties are said to be honoured, but the product is no longer in production.

Retired April 2025· Archived 5 July 2026· Frozen at panel v2.5.0

Frozen scorecard →Source ↗

Why products are retired and how the freeze works: review.solar/methodology.

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