... 5V/2A; DC 9V/2A,12V/2A(5)4 LED indicates the charging status:<25%,<50%,75%,100%(6)On/ ... the power bank,first press the switch ON,the led indicates 5V,and with 3s pressing to select 12V,and ... output.(8)You can charge 2 devices simultaneously when led indicates 5V output(9)There needs 4 hours to fully ... can it help you more?When you in darkness,LED light can help you for walking or searching othersCaution1 ...