When the Ammeters USB adapter is used to connect to an AC power source, it can be used to plug into a wall outlet or power a PC.
When used to power a laptop or other device, however, the adapter has a shorter cable length and is usually easier to replace than a USB device.
While a USB adapter can plug into most USB ports on most computers, it’s possible to use an adapter with a different port type, such as a USB 2.0 port or a Thunderbolt port, to plug an external hard drive, for example.
The USB 2 and 3.0 ports on laptops, however have different USB power requirements and are often the source of some confusion.
If you need to plug a USB power adapter into a laptop computer’s USB port, consider a USB 1.1 port, or even an adapter for a laptop’s USB 2 port.
The adapter is the most expensive option.
If your laptop has an Ethernet port and you need an adapter that will accept both Ethernet and USB, consider an adapter from Apple, Asus, or Dell.
The Ammeter Ammeter Power Adapter is the cheapest adapter to use for plugging an external power source.
It comes with two USB ports, but you’ll have to buy additional adapters for your laptop.
Pros: It has the widest range of power adapters in the market.
Cons: The adapter has the longest cable, so it’s harder to replace.