Be careful:18650 batteries that can only be connected to 3.7V or a polymer battery of 3.7V,such as batteries that are connected to other voltages,have the consequences of burning out! Support high pass fast filling program,apple 2.4A quick charge,attention:do not support HUAWEI fast charge agreement and Samsung AFC fast charge agreement Shortcomings:do not support edge filling and placing,do not support the HUAWEI fast charge agreement,that is,all HUAWEI fast charger can not be quickly charged,only ordinary 5V 3A charging,The charging current of 3:9V and 12V is a bit small,the maximum output current of 9V is only 2A,and the maximum output current of 12V is only 1.5A,has no type-C input interface,and many people with type-C data lines have to bring a V8 charging line! Conversion rate greater than equal 85%,with overcharge,overdischarge,over current,short circuit protection,When the and other equipment are charged,access to the and other equipment,press the switch,automatically identify,match the output current,do not hurt the cell phone battery Color:green Material:plastic+metal Size:6*4*1CM Package Contents: 1*Charging Board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.