Testseek.com have collected 2 expert reviews of the Genius ECO-u821 8000mAh Powerbank and the average rating is 90%. Scroll down and see all reviews for Genius ECO-u821 8000mAh Powerbank.
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Published: 2014-02-20, Author: Anthony , review by: tweaktown.com
Abstract: I still use my Genius ECO-u10000, as it is one of the better mobile chargers that I own. It has charged my various smart devices countless times since I have had it, but that is all set to change with Genius' new ECO-u821, the company's new 8000mAh Power ...
Published: 2013-12-10, Author: Benjamin , review by: Bcchardware.com
Nice size - very pocketable, Works exactly as advertised, Integrated USB cable so you don't lose anything on the road, Good build quality, Can charge multiple devices at once
Could include a 2.0Amp wall-charger to speed up charging, Slow to charge from a laptop (less than 2.0Amp output)
I'm impressed with the Genius ECO-u821. It does what it says it will do and unlike companies that we dealt with a few years ago, they don't lie on their numbers. In the early days of portable batteries, companies would rate their mAh rating based on a 1.2...
