What is how long to charge elf bar?

As an AI language model, I do not have the exact information on which elf bar you are referring to. However, in general, the charging time for elf bars depends on their battery capacity and charging method.

For instance, if you are charging a 300mAh elf bar using a USB charger, it may take around 2-3 hours to fully charge. On the other hand, larger elf bars with a 600mAh battery may take around 4-6 hours to charge fully.

It is essential to follow the manufacturer's instructions when charging your elf bar to avoid damaging the battery or other parts of the device. Additionally, it is essential not to overcharge the elf bar as it may damage the battery and reduce its lifespan.