Color Grey + Black + Multi-Colored Plug Specifications UK Plug Brand UItraFire Model WF-128S Quantity 1 Piece Material ABS Charging Cell Type Lithium Ion Charging Battery Type 18650AAAAAOthers16340 Rechargeable Battery Qty 4 Target Country & Region UK Built-in Protected Circuit Yes Input Voltage 12 V Output Voltage 4.2 V Max. Output Current 1000 mA Fast Charging Function No LCD Screen No Auto Circuit Detection Yes Over Voltage Protection Yes Short-Circuit Protection Yes Over-Charging Protection Yes Over-Discharging Protection Yes Nominal Capacity 3000 mAh Battery Actual Capacity 400 mAh Other Features DC input: 12V 1000mA50~60Hz; Charging current: 2X (4.2V 1000mA) 4x(4.2V/800mA); With IC protection; LED indicator lights red during charging process. Certification CE Packing List 1 x Battery charger 1 x 100~240V power adapter (120cm) 2 x 3.7V Li-ion batteries