Contain : 4 batteries + 2 usb charger .
The battery just fit Hubsan H502E and H502S drone ,please don't mixed use it.
New battery and new usb charger ,high quality and competitive price.
Keep battery temperature lower then 45°C when charging or it may result in damage to the battery.
Tips: If you want to buy Hubsan quadcopter or quadcopter spare parts,please search "Mifly Drone " store .