sea jump 2PCS 3.7V 2000mAh Lipo Battery Suitable for S2S Brushless Obstacle Avoidance Drone High-definition Aerial Photography Quadcopter Accessories Folding Remote Control Drone Battery 

Voltage: 3.7V; Capacity: 2000mAh
Product Weight: 41g (1PCS)
Product Size: 7.3 * 2.8 * 1.6cm/2.88 * 1.1 * 0.63in 
Battery configuration: 1S
Package included: 2PCS battery 

Good performance, long service life, continuous and stable power supply.
Small internal resistance, good for rate charge and discharge, high efficiency output performance.
Enhance your flying experience by using only manufacturer recommended spare parts.