This is a 20-watt rechargeable LED light bulb designed to function during power outages. It features AC/DC compatibility and overcharge protection. The packaging indicates that it's a new product. Rechargeable light bulbs are energy-efficient and can help reduce electricity bills. They can be charged by plugging them into a mains power outlet. The battery charges while the bulb is on. The charging time for similar models is around 13 hours. These bulbs have a long lifespan, up to 50,000 hours.