3 Review(s)

Built-in rechargeable lithium battery with automatic charging feature: The bulb is equipped with a built-in rechargeable lithium battery, eliminating the need for external batteries. It features an automatic charging feature that charges the battery whenever the bulb is connected to a power source. It takes approximately 8-10 hours for the bulb's built-in rechargeable lithium battery to fully charge. This allows you to quickly replenish the battery for the next use.