Brand: Dell Product: Power Companion Type: Portable Power Bank for Dell Laptops and Mobile Devices Battery Capacity: 18,000mAh Battery Energy: 65Wh Battery: 6-Cell Device Support: Selected Dell Laptops, Smartphones, Tablets and Other USB Devices USB Charging: 2 USB Ports for Simultaneous Charging of Two Mobile Devices Multi-Device Charging: Can Power a Dell Laptop and Charge Two USB Devices at the Same Time Charging: Rechargeable with a Dell AC Adapter Battery Indicator: 5-Segment LED Power Level Indicator Design: Compact and Lightweight Compatibility: Designed for Dell Premier Backpack and Dell Premier Briefcase