Most potent renewable-battery system charges nearly any electronic device through built-in USB, 12v, 16v and 19v outputs. Building on the award-winning Solo platform, the Impel delivers similar power and capability with half the size and weight. Connects directly to your music player, GPS, smart or satellite phone, computer and more. Power storage capacity: 13,000 mAh Outputs: USB, 12v, 16v, 19vFeatures:- Water resistant - Durable rubberized shell - Internal rechargeable Lithium Polymer battery - Power gauge and auto shut-off - Reverse flow protection - Includes: Accessory cablesSpecifications:- Battery storage: 13,000 mAh - USB, 12V, 16V and/or 19V output - Output: 2100 mA @ 5V USB; 4,500 mA @ 12V, 16V and 19V. - Conforms with FCC Standards - No disposal or overheating issues - Weight: 2lb. 10 oz. - Dimensions: 7.75?x6.75?x1? - Compatible with Brunton Sync Tech enabled headlamps and task lights