What is the 18650 rechargeable battery pack 11.1V 7800mAh Li-ion battery and what are its key specifications?

What are the key features of the 18650 rechargeable battery pack 11.1V 7800mAh Li-ion battery?

How does the 18650 rechargeable battery pack 11.1V 7800mAh Li-ion battery perform during discharge?

What safety features are included in the 18650 rechargeable battery pack 11.1V 7800mAh Li-ion battery?