Grab this cheap but handy Anker power bank for under $20 on Amazon

Power banks are one of the most useful gadgets to take on a trip, especially if you foresee being away from a reliable power outlet for hours at a time. You don't need to pay much for one, either. Right now, you can get this Anker PowerCore 10K at Amazon for $15.59 (was $25.99).

Anker is the producer of some of our best power banks, including the Anker MagGo Power Bank (10K Slim) and Anker 737 Power Bank (PowerCore 24K). This model of the Anker PowerCore Slim doesn't have as many capabilities as the best of the best, but it does offer 10000mAh of charge for the low, low price of about 15 dollars – a bargain.

Today's best cheap Anker power bank deal

The PowerCore Slim 10,000 weighs 8.6 oz and, true to its name, measures 5.99 by 2 ...