Amazon offers DualGlow Rechargeable Light Bulbs with Remote, Lamp Socket + USB Rechargeable Battery Light Bulb, 3 Color Temp+ Dimmable Battery Operated Light Bulb, A19, Up to 50 Hours for after coupon.  

Note:  Lightning deal, they are limited!  Clip 20% coupon on the product page and apply other code during checkout

Apply Code:  LKGLOWCARE

Product Description:

• 【Lamp Socket & USB Dual Charging 】Whether you're at home or on the go, you can easily charge our DualGlow battery light bulb using two convenient methods. Simply place it on the socket for effortless charging or connect it via USB for ultimate flexibility. With a single charge, It provides 5-50 Hrs usage, ensuring you're never left in the dark. 
• 【2 Hrs Quick-Charge Light Bulb with 5-50Hrs Long Lasting】Experience rapid charging without the wait with the LUXKAZSAZZI DualGlow. Unlike other USB rechargeable light bulbs, it fully charges in just 2 hours, even when turned off. Enjoy extended illumination times: at 30% brightness, up to 30 hours; at 50% brightness, up to 24 hours; and at 100% brightness, up to 5 hours on a single charge. Experience the convenience of instant illumination. Say hello to a brighter, faster live. 
• 【Cordless & Versatile lighting, no wiring required!】Each battery light bulb has a built-in battery and is rechargeable, equipped with a hook design, it can be used anywhere without an electrical outlet. Ideal for use in places where there is no electrical wiring, and can also be used for DIY design of lamp fixtures at home. Using 4 bulbs is not only convenient and hassle-free, but also directly saves $300 in electrician fees and avoids the hassle of wall wiring. 
• 【Universal A19, E26/E27 Size】Battery operated light bulb designed in the standard A19 size, this battery light bulb fits a wide range of light fixtures, from wall sconces to table lights, offering you unmatched versatility. 
• 【Detachable Hook for Portable Use】Each battery powered light bulb comes with portable hooks, providing you with endless possibilities. Easily hang them outdoors, at open-air gatherings, or in dark corners to create unforgettable lighting effects.