Color Black Plug Specifications US Plug (2-Flat-Pin Plug) Brand LetterFire Model HZS-002 Quantity 1 Piece Material PC / ABS Charging Cell Type Lithium Ion Charging Battery Type 18650104401450017670Others18500 / 16340 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 600 mA Fast Charging Function Yes LCD Screen No Auto Circuit Detection No Indicator Yes Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Packing List 1 x Charger