Eliminating the hassle and expense of buying batteries, the Pulsar IPS10 Battery Pack is outperforming the way companies power their thermal and night vision optics. With an operating time of up to 20 hours this rechargable battery pack is compatible with all Trial, Helion, and Digisight Ultra optics and can be repowered through any three-pronged wall outlet or car charger. Features: Rechargeable battery supplyUp to 2 hours of battery lifeQuick, effortless installation and removal Pulsar IPS 10 Battery Pack PL79115