... : 50Wh 3.Out current:4.5A Max 4.USB output:5V/2A 5.certification:CE,ROSH I. Application: for 3C consumer ... .DC OUT 2. USB OUT 5.DC OUT Voltage:5V,6V,7.5V,9V,12V,14V,16V,19V 6.DC OUT current:4A ... (constant );4.5A(Max.) 7.OUT DC/DC efficiency:92~94 ... charged fully at finally. It will total charged fully after 7~8h by connected as this diagram.if empty of all ...