● High-capacity portable power that reaches 20,000 mAh; ● The capacity is about 40 time of a normal mobile phone battery or ● The capacity is 2-4 times of a laptop notebook battery; ● Urgent power for laptop notebook; ● Urgent power for Portable DVD, Sony PSP & Nintendo player; ● Urgent power for iPod shuffle/Mini/Nano/ Video; ● Urgent power for MP3, MP4, PSP, PMP; ● Urgent power for most mobile phones; ● Urgent power for digital cameras; ● Urgent power for digital video cameras; ● LCD panel displays the remained capacity; ● Multiple level output: 4.2V, 5V, 6V, 8.4V, 9V, 16V and 19V; ● Input: DC?9-24V/2A; ● Output by USB?V; ● Output by DC1?.2V/1A, 8.4V/1A and 9V/1A for mobile phones, MP3, MP4, digital camera, digital video camera and laptop notebook; ● Output by DC2---16V/3A or 19V/3A, for laptop notebook; ● Intelligent Protect chip avoid overcharging / unduly discharging; ● Low-voltage alarm and auto power off; ● Multiple ways to get charged: from computer or notebook; from car and from socket; ● Multiple connecting ways: by USB or by DC cable; ● Cell type: Lithium polymer Battery; ● CE, UL and RoHS approved; ● Weight: Approx 650 grams; ● Working Temperature: -10 to 50C degrees; ● Charging time: 4 hours; ● Aluminum alloy case to protect the product.