Robotic & Radio Control Toys
AMZZN 5PCS 3.7V 1200mAh 30C JST Plug Lipo Battery with 5-in-1 Charger for MJX T04 T05 T25 X900 X9TW V2400HD V2450FPV V2450GPS Remote Control Drone
Parameter: Battery Voltage: 3.7V; Discharge Rate: 30C; Capacity: 1200mAh; Size: 57 * 29 * 9mm/2.24 * 1.14 * 0.35 inch; Weight: 28g/0.98g; Drain Plug: JST Plug; Charging Plug: JST Plug . . Application: Compatible with MJX Syma Hold, Huanqi 898B H11D...
https://www.bizrate.co.uk/robotic_radiocontroltoys/amzzn-5pcs-3-7v-1200mah-30c-oid32433158720.html