YKDtronics Rechargeable Light Bulbs, Multi-Function Battery Powered Light Bulb for Power Outage, 2000mAh Emergency Battery Light Bulb 500 Lumens 5W 40W Equivalent 5000K Daylight E26/E27 120V 2Pack

YKDtronics Rechargeable Light Bulbs, Multi-Function Battery Powered Light Bulb for Power Outage, 2000mAh Emergency Battery Light Bulb 500 Lumens 5W 40W Equivalent 5000K Daylight E26/E27 120V 2Pack

• 【Battery Powered Light Bulbs】The JackonLux rechargeable bulb functions as a standard LED bulb for everyday use, automatically charging when in use. After continuous or cumulative use for 10-12 hours, the bulb will be fully charged. During power outages, when the light switch is turned on, the DC lighting activates and stays light bulbs that work without power. The built-in 2000mAh backup battery ensures 500 lumens of light for 2-3 hours
• 【Necessary Emergency Light Bulb】A necessity emergency tool during blackout, storm, hurricane. Easy to install and disassemble, it can be used as a flashlight in the face of emergencies, reducing the tension caused by darkness.
• 【Portable & Multiple Ways】YKDtronics battery backup bulbs light and portable, can be carried with you. The battery backup light bulb emit light when forming a closed loop. You can control the light through the button on the cap with a hook, also install the handheld grip work as a flashlight during outdoor activity.
• 【E26/E27 Led Bulbs & Energy Saving】The rechargeable emergency light bulb fits for any ceiling fixtures or lamps with the E26/E27 screw-in base. 5W LED battery operated light bulb is equivalent to 40W normal bulb.The emergency bulb provide 5000K daylight and 500lm with low energy cost. Save at least 85% electricity costs.
• 【12-Month Warranty】 24H friendly customer service，when there is a problem with the bulb, you can contact us via Amazon at any time.
• If you need to use the light bulb with adapters, please ensure that the light bulb is fully charged. Install the light bulb on the lamp and turn on the switch. When the light bulb lights up, it will automatically charge. If the light bulb is used for 3-4 hours per day, it is expected that the light bulb will be fully charged within three days.

YKDtronicsEmergency backup LED bulbs are so amazing that you can do so much with them! They look and work like typical LED light bulbs but they are far from typical. They are ready to light up during power outages. <br/><br/>Specifications<br/><br/> Brightness: with household 120V AC: 500 lumens<br/> Light color: 5000K daylightwhite <br/> Run time without power: more than 3-4 hours after fully charged<br/>Wattage : 5 Watt <br/> Input: AC 120V <br/><br/>Applications<br/><br/> Home, office, basement, garage, warehouse, workshop, garden, porch, patio. <br/> Camping, exploration, hiking, work light. <br/> Emergency backup during power failure, hurricane, flooding, earthquakes, disaster planning toolkit, evacuation planning. <br/> Use as magic trick bulbs, party bulbs.<br/><br/>Question: How to use these bulbs?<br/> Answer :Replace your old bulbs with this new bulb in your lamp and use it as a regular bulb, it will work normally when there is no power outage, and it will continue to work for 3-4 hours when there is a power outage; You can also screw the bulb into our bulb cap (with a hook) and light it up with the on/off switch built in the cap, this way you can move the bulb around wherever it is needed; Or you can use your fingers/damp cloth/conductive materials to touch both the tip and the threads of the bulb base to light it up. <br/>Question:<br/> How does it work during outages? <br/> Answer :During power outages, as long as the light switch is on, the light bulb in the socket will stay on for more than 3-4 hours. Tip: to test the bulb even without a power failure, simply place the bulb in a lamp socket, and turn on the switch of the lamp, plug out, use a wet cloth or wet tissue connect the prongs of the plug, bulb will turn on.<br/>Question: Why the bulbs won't turn off?<br/> Answer :A small fractions of household's circuit designs are not "typical" and the bulbs will stay on even when switch is off.