Vision Spinner 3s Top Twist USB Passthrough Battery with 1600mAh Capacity

Features:
*Battery Capacity:1600mah 
*Adjustable voltage range: 3.6-4.8V 
*Upgraded and stable PCB control head
*More comfortable Top Twist Ring for adjusting voltage 
*Bottom with micro-USB port
*Charging via USB Passthrough Cable
*The button color indicates the state of charge
*Short-circuit protection
*High quality, Longer life span 
*Dimension: 137mm*17mm
*Weight: 70g