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4 W LED bulb with a rechargeable battery inside works up to 3 hours after a power outage offered by Magic Bulb for $30-$40.https://www.led-professional.com/media/project_news_lamps-luminaires_recharable-led-bulb_rechargeable-led-bulb-jpg/viewhttps://www.led-professional.com/media/project_news_lamps-luminaires_recharable-led-bulb_rechargeable-led-bulb-jpg/@@images/image-1200-0812bd435810c1fbe67caa4a15fca356.jpeg
4 W LED bulb with a rechargeable battery inside works up to 3 hours after a power outage offered by Magic Bulb for $30-$40.
