Serves as ups for laptops, basic electronics and gadget *capacity is 80,000mah. *very durable & reliable. *universal compatibility with various laptops. laptop power bank, 80000mah 12hrs back up for all laptops,comes is three colors,with torch light usb ports for phone charging... Connectors are Hp small mouth Toshiba Acer Hp Big mouth Hp 15 Lenovo USB Lenovo round Samsung Dell Sold by Dentik Technology Solutions Limited