Amazon.com: 5PCS 3.7V 1200mAh Upgrade Li-Polymer Battery and 5 in 1 Charger for SYMA X5SW X5SC X5SC-1 RC Quadcopter Drone Spare Parts : Toys & Games
3.7V 1200Mah Li po battery for Syma X5SW X5SC M18 H5P drone RC Quadcopter 4 pcs high quality|battery for syma|battery for syma x5swli-po battery - AliExpress