Verbatim 10,000 mAh Portable Dual USB Power Bank Charger 97926 Convenience and flexibility merged into one charger Ultra high capacity boasting a 10,000 mAh lithium polymer battery Lightweight and slim design, allowing it to easily slip into any travel bag, backpack, briefcase or tote. A full charge can add up to 42 hours of additional talk time, 120hrs of music time or 30 hours of additional video play