1,For rechargeable li-ion mobile battery below 2000mah 2,High performance power switch inside ... to the majority of 3.6V Li-ion rechargeable mobile phone batteriesUsing Instructions:Adjust the two pins,make sure ... it can work,otherwise,connect it again. Connecting the charger with AC,while the LCD is blue and flashing,it ... get it well,keep to charge 2 hours more. mobile phone universal charger with LCD