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The average life span of the lamp is to maintain the rate of light to meet the requirements of national standards and can continue to light up to 50% of the lamp to reach a single lamp life of the cumulative time (ie, the life of the lamp when the failure of 50%).

National standards for electronic energy-saving lamp life test conditions: 15~40 degrees to avoid excessive ventilation; 50Hz + 0.5%, 220V + + 2%, the lamp head up; 24h switch within the (2h45min open 15min off)

National standards for single end fluorescent lamp life test conditions: 15~50 degrees without wind environment, lamp head up; 50Hz + 0.5%, 220V + + 2%. The average life expectancy of the national standard is: 5000h.

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