Sea Jump 5-Piece 3.7V 800mAh Lithium-Ion Remote Control Drone and 5-in-1 Charger with JST Plug Compatible with SYMA X56W, MJX X400W, X300C, X800,

Compatibility: This 3.7V 800mAh JST plug LiPo battery is compatible with most quadcopters, including MJX Syma Sky Viper RC drones X56W, X400, X400W, X300C, X400C, X500, X800, HJ818H, J819S, HS110, HS200, S670, V950hd, S1750, and V2450. Protection: The battery has a built-in protection mechanism to ensure safe use and charging. This feature ensures its durability, making it a reliable choice for your equipment. High-Quality Materials: Made with high-quality materials, it ensures excellent quality and long-lasting use. Compact and Lightweight: Its compact design measures 44x25x8mm and weighs just 18g per unit. Packing list: 5PCS + 5-in-1 charger + 5PCS conversion cable.