battery for helicopter toy

OEM 505573 7.4v 2500mah lipo battery pack for helicopter toy pos machine China

US $6.55-7.4

Model:505573

1s1p 3.7v 700mah rechargeable lithium ion battery pack for helicopter toy/lights Canada

US $1.35-1.53

Model:3.7V 700mAh li-ion battery