KP Original -042340 3.7V 600mAh Rechargeable Battery with Connector for RC Drone, Toys, Gaming, Robotics bluetoorh Headset, Bluetooth Speaker

KP Original -042340 3.7V 600mAh rechargeable battery with connector for RC Drone, toys, gaming, robotics bluetoorh headset, bluetooth speaker Nice Battery and full backup. Do not over charge, Please use charger with auto cut off system