ATN Extended Power Weapon Kit | 20,000 mAh Battery Pack, USB Cable, Butt Stock CaseAre you looking to prolong your exertions to hunt the wild invasive pig population that is wreaking environmental havoc and spreading rapidly! Look no further, get the satisfaction of having the ability to hunt feral beasts with ATNs extended external battery for your rifle scope. This external battery has 22 hours of continuous use. Now, you will last as long as the boars are moving!