Work for Holy Stone HS100 and HS100G RC Drone Quadcopter
Battery Voltage: 7.4V ; Max Charging Time: 3-6 hours; USB Cable Voltage : 5V
Package Includes: 1 * 7.4V 2500mAh Lipo Battery, 1 * USB Charger Cable
Charging Status: At the beginning, the rightmost light on the battery blinks in blue and when the battery is fully charged all 4 lights turn solid in blue.
Charging Method: Connect the charging cable to PC USB port or a phone adapter (5V, 1-2A)