Color Black Plug Specifications US Plug (2-Flat-Pin Plug) Brand YES Model N/A Quantity 1 Piece Material ABS Charging Cell Type Lithium Ion Charging Battery Type 18650 Rechargeable Battery Qty 2 Target Country & Region US Built-in Protected Circuit Yes Input Voltage 100~240 V Output Voltage 4.2 V Max. Output Current 650 mA Fast Charging Function No LCD Screen No Auto Circuit Detection No Over Voltage Protection No Short-Circuit Protection Yes Over-Charging Protection Yes Over-Discharging Protection Yes Packing List 1 x Charger 1 x 3-Flat-pin plug adapter