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4 Pack Rechargeable-Emergency-Light-Bulb, Stay Lights Up When Power Failure, 1200mAh 15W 80W Equivalent 6000K Battery Operated Light Bulb for Home, Camping, Tent (E27, with Hook) : Amazon.co.uk: Lighting
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Sengled Twilight LED Light Bulb with E27 Base, 15-Second Delayed Turn Off, 2700K Soft White A60 Bulb, 800 Lumens [Energy Class A+] : Amazon.co.uk: Lighting
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GE Lighting LED+ Backup Battery Bulb, LED General Use and Emergency Use Rechargeable A21 Light Bulb for Power Outages, Switch to Use As Flashlight, 60-Watt, Soft White (1-Pack)
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