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QUAKETIPS: Don't be left in the dark: which kinds of power failure back-up lights work best in an earthquake?
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safelumin SA19-800G50 2Pack Emergency Rechargeable Light Bulbs for Home Power Failure - Works as Normal LED Light Bulb & 3Hrs Battery Backup, CE+CB 100-240V 800lm (Daylight Color E27) - Amazon.com
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