Feature: 1. Compatible: High grade RC drone battery parts, compatible with for E55 FQ777 FQ17W DFD F180 FY530 U816 U830 H107 X11C RC drone. 2. High Performance: The RC UAV lithium battery has high capacity and good safety performance, which brings you more flight possibilities. 3. Superior Material: This 300mAh RC drone battery is made of high grade pure cobalt material, with stable current performance, rugged and durable. 4. Lightweight and Portable: The UAV replacement battery has a compact and lightweight design that is easy to carry and can be used on the go. 5. Replacement: A great replacement power source for your drone, you can enjoy the wonderful flying experience freely without any time limit. Specification: Item Type: RC Drone Battery Material: Pure Cobalt Battery Model: 702030 Voltage: 3.7V Battery Capacity: 300mAh Li ion Battery (Pure Battery Shipped) Applicable Models: for E55 FQ777 FQ17W DFD F180 FY530 U816 U830 H107 X11C. Package List: 5 x RC Drone Battery