Avoid being left in the dark when you use your ATN extended life battery pack with MicroUSB cable. Customized to work with ATN BinoX Day & Night Binocular Series. This kit can also be used with ATN BinoX-THD Thermal Binoculars. The kit comes with everything you need so you can focus on the more important things. This kit contains a high capacity power pack and will give you enough battery life to last anywhere from 15 to 18 hours. A highly recommended accessory to go along with your ATN set of Binoculars.