Battery Description: Brand: Eachine Item name: 2S 7.4V 1600mAh Smart Battery Quantity: one battery (without USB cable) Weight: 62.2g Usage: for Eachine, Fatshark FPV Goggles Package included: 1 x Eachine 2S 7.4V 1600mAh Smart Battery Battery can be recharged using USB (5V 1A input)