3.7v 850mah Lipo Battery For Syma X5c X5sw 905 Cherson Cx-30 Model Aircraft M68 Li-po Battery 852540 Lipo Battery + Usb Charger - Rechargeable Batteries - AliExpress
Amazon.com: Synergy Digital FPV Battery, Compatible with Syma X5UW FPV, (Li-Pol, 3.7V, 1200mAh) Ultra High Capacity, Replacement for Syma LT124RX Battery : Toys & Games
Amazon.com: Battery Replacement for SYMA X5HC, X5HW, X5UW Part NO 0 : Toys & Games