9W 12W 15W Multi-Function Battery Backup Emergency Light Rechargeable Emergency LED Bulb is widely used in home, office, garage,warehouse, garden and outdoor activities, such as hiking, camping, etc. It is a perfect combination of regular led bulb and power outage lights. It works as regular led bulb when connected to AC voltage, and it will light on automatically if there is power outage.

• Emergency Light Bulbs for Home, Business These rechargeable emergency light bulbs work as normal bulbs, and can charge itself when daily use ,stay lights up hours for 4-5 hours during home power failure.
• A-must Have Tool for Power Outage A necessity during blackout, storm, hurricane ect. To get prepared for emergency with this emergency light bulbs, and say good bye to extra candles, flashlights and lanterns.
• E27/E26 LED Bulbs for Your Lamps The base of these rechargeable light bulbs is E27,also applies to E26,Not only for ceiling use, but also for lamps with the E27/E26 screw-in base.Just easily screw it to the right lamp and get your home lighted.
• Energy Efficient Light Bulbs High lm with low energy cost. 15W LED light bulbs 80W Equivalent to save at least 80% energy and electricity cost.
• Easy Use Just screw into the lamps with E27/E26 base as ordinary LED bulbs , Each light comes with a holder hook, also a choice for outdoor activities like camping.

How to use the rechargeable led bulb ?



How Does The Bulb Work During Power Outage ? 
When there is a power outage, switch on, the bulb will stay on as emergency led light, if witch off, the bulb will be off. 

Why The Bulb Is Always On ? Can Not Turn Off ? 
Normally this will not happen, but if your lamp circuit system is very complex and special, this will happen, all different brands of emergency light bulbs in current market has this same problem, this is decided by working principle. We offer warranty for all our light bulbs, we can offer fully refund if you are not satisfied with our bulbs 

How To Test Emergency Mode At Home If No Power Outage ?
Way 1: screw our emergency led light into any E27 fixture and plug into AC volt outlet, switch on the bulb, cut off main breaker, the bulb will stay on, switch off, it will be off.
Way 2: screw our emergency led light into any E27 fixture, plug out, use a wet cloth or wet tissue connect the prongs of the plug, our bulb will be on.