![]() Some include built-in batteries, so they can operate in a truly wireless fashion: no USB cable, no power brick, not even a laptop. Most scanners today can run on either USB or a typical AC adapter, so if you want to travel light, all you need is a USB cable. Mobile photo scanner reviews portable#Diverse power options: The fewer accessories you need to carry with your scanner, the more portable it is.Speed: The best portable document scanners operate at around the same speed-about 25 pages per minute-but all else being equal, we prefer a faster one.Any model around 3 pounds or less is okay in our books. ![]() ![]() Although machines with ADFs tend to be on the heftier side, we think a feeder is important enough to make the extra pounds worth it. Portable document scanners actually span a broad range of sizes and especially weights-from under 1 pound to well over 3 pounds.
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