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Cree releases landmark 200 lumen-per-watt LED | ExtremeTech
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日期：2026-04-25
The lumens-per-watt (lpw) rating for an incandescent bulb is a lowly 15 (or so) while newer LED bulbs are in ... ... I guess I didn’t read it very closely, or you updated it. 5c a KW/H at night is my residential rate. APS has weird cellphone like plans....看更多
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