This set of three batteries with a voltage of 3.7v and a chemical composition of LiPo is perfect for use with the Visuo drone XS809 HC TIANQU XS809W Foldable. They are reliable and durable, providing long-lasting power for your RC model vehicle. Ideal for those who enjoy remote control and radio toys, these batteries are a great addition to your collection. They are designed to fit seamlessly with your drone, ensuring that your device is always ready to fly. Invest in this set of batteries today and take your flying experience to the next level.