This USB charger also works wonderfully with mobile power banks.
<br />Usully the power bank were built with 1A-2A USB output interface. 
<br />You can use any outlets, but please know that the 
<br />it's Voltage output should be around DC 5V.
<br />Brand New 
<br />High Quality
<br />Input AC 100-240V  50/60 Hz   Max 150 mA   DC 12-24V
<br />Output DC 4.2/8.4V   Max 600 mA
<br />Weight 45 g
<br />Suitable For Canon 5D 50D 10D 20D 30D 40D
<br />Package Included
<br />1 x Charger 
<br />1 x USB Cable<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5954a6fcabea9160d7495b39-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5954a6fcabea9160d7495b39-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5954a6fcabea9160d7495b39-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5954a6fcabea9160d7495b39-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5954a6fcabea9160d7495b39-4-large.jpg></b></b></p>