FC509 
universal charger 
AC220V, 50/60 HZ <100MA 
DC4.2V, 300MA ; USB : DC5.2V, 500 MA max 
48 G 
85 x 22 x 57 mm ◆to adopt mode standard of constant current and voltage;
DetailsPRODUCTS DESCRIPTION:NOTE:
To avoid charging under the sunshine or under high temperature. Excess temperature would possibly affect charging effectTo be charged at in-door only.Please cut off electrical sources immediately if you stop charging.It is normal phenomenon if charger seems a little warm while charging.Do not use USB port and charging port of Lithium battery at the same time.
