Amazon.com: Coolplay 500mAh Battery Replacement for Syma X5/X5C RC Quadcopter : Toys & Games
Amazon.com: 3.7V 650mAh Lipo Battery and USB for Compatible with Syma X5C X5C-1 X5 X5SC X5SW M68 K60 HQ-905 CX30 RC Quadcopter Battery 3.7 V 802540-2PCS_25C : Toys & Games