Hyperion 14,000mAh External Battery Pack and Charger for LG Spectrum 4G, LG Lucid 4G, LG Optimus G4x HD, LG Optimus 3D Max, LG Optimus VU, and LG Viper 4G Enjoy 100+ hours of extra phone use (Exact number will vary based on phone configurations, and network availability). Ultra reliable Lithium-Ion battery with 14,000mAh, 500-600% increase in battery power. Universal charger/adapters for almost any make of phone. (All LG Android Models listed are guaranteed to work). Micro-USB embedded. Charges most USB powered mobile devices without carrying extra cable. Charge up to 3 devices at once! Input: 5V 1.0A; Output: DC5.0V 500mA/USB DC 5V 500mA.