Equipped with 4 ports, each port is 3.0A for fast charging, this 20V battery charger can charge 4 batteries at the same time. Reduce charging time and improve work efficiency. Diagnostics with LED indicator displays the battery charge status. The built-in safeguards (built-in chip and cooling fin) can monitor each battery and are going to protect against overcharging, overloading, overheating and short circuiting. Thru-Hole Wall Mounts make storage more convenient and space saving . Dual USB output ports can charge your daily use mobile devices. compatible:for 12V-20V Protection function: overcharge protection Input parameters: AC110-240V 50/60Hz Output parameters: 20V Rated power: 320W Voltage: AC110V Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Color: Yellow Material: Metal+Plastic Package Contents: 1 x Battery Charger Only the above package content, other products are not included. Note: Light reflection 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.