1,Li-on battery,best power bank. 2, high capacity of 8000mah. 3, cheapest price& ... hours of play time to your portable digital devices; 2. With advanced A-grade high-energy polymer lithium- ... battery cells Output Power:max. 5WRated Input:DC 5V, 2.1ARated Output:max. DC 5V, 1A/DC 9V, 2A ... Black, Silver, Red, Blue, YellowPackage Content1.power bank 2. user manual 3. Charge cable 4. gift box Real Pictures ...