3 x 7.4V 2700mAh 10C Battery & 1 To 3 Charging Cable for Hubsan H501S X4 RC Quadcopter Description: Brand Name: Hubsan Item No.: H501S-001 Item Name: Battery Voltage: 7.4V Capacity: 2700mAh Power:10C Weight: about 341g Dimension:10.4*3.35*1.6cm Charging time: About 150mins Usage: for Hubsan H501S X4 RC Quadcopter Package Included: 3 x Battery 1 x Charging Cable