Your Cures and Remedies Archive. ï»¿. Hives, also known as urticaria, is an allergic reaction that involves rash and welts appearing in different parts of the skin. Hives are extremely itchy and can either last for a couple of minutes or days before disappearing.ives, also known as urticaria, is an allergic reaction that involves rash and welts appearing in different parts of the skin. Hives are extremely itchy and can either last for a couple of minutes or days before disappearing.
If you want to power or charge a small, AC-based device such as a laptop when power outlets are out of reach, you should get the ChargeTech Portable Power Outlet (27 Ah). Itâs essentially the same thing as a USB-only battery pack, but with higher capacity and an AC outlet.
The laptop can still be used with a dead battery through AC adapter power only because the laptop is designed to switch between power sources: it doesn't draw power from the battery when the AC adapter is in use.