The package includes 4 battery, it is lightweight and easy to install, safe to use, suitable for EMAX EZ Pilot drone, EMAX Tinyhawk Freestyle, EMAX Tinyhawk S, EMAX Tinyhawk. With this replaceable battery, you no longer have to worry about the battery run out of power, you can enjoy your flying better. Features: [Longer Service Life]The battery energy is relatively high, with high storage energy density. With longer service life, you no need to worry about running out of battery in a short time when flying. [Light Weight] About 1 / 6-1 / 5 of lead-acid products under the same volume, so it's perfect to use lipo battery as the power, and it won't put any burden on the racing drone, easy to install and convenient to carry. [High and Low-Temperature Adaptability] Can be used in the environment of -20 ℃ ~60 ℃, after processing, it can be used in the environment of -45 ℃, so even in bad cold winter, it doesn't matter and takes no any effect if you want to play the drone outdoors. [Environmentally friendly and Safe] No matter it is used or discarded, it does not contain or produce any toxic and harmful heavy metal elements and substances such as lead, mercury, and cadmium. Made from fire-proof and explosion-proof material, safe to use. [Suits For] 3.8V 450mAh lipo battery is suitable for EMAX EZ Pilot drone, EMAX Tinyhawk Freestyle, EMAX Tinyhawk S, EMAX Tinyhawk. [Warranty] If there are any problems, please contact our store in time. We will give you a 100% satisfactory solution. Thanks for your understanding. Specifications: Brand: EMAX Quantity: 4pcs Item type: Li-Po battery Battery: 3.8V 450mAh Charging time: About 60mins Flying time: About 5mins Discharge rating: 80C / 160C Item size: 5.8 * 1.7 * 0.6cm Suit for: EMAX EZ Pilot drone, EMAX Tinyhawk Freestyle, EMAX Tinyhawk S, EMAX Tinyhawk Package Information: Package size: 8 * 4 * 2cm Package weight: 60g Gift Box Package Packing List: 4* Lipo battery