Techcize.com says:

»Looks super clean and crisp. My phone having a capacity of 3,000mAh, renders testing this product very easy. logically it should offer 2 complete charges from 0 to 100%, right? I did and still a little more to give.«

xTremeSystems says:

»This is an excellent backup battery.«

»Very potent!«

By The Way says:

»Durable and easy to use.«

»The Solar PowerBank is a very good and quality compact portable battery that will never leave you without power for all your mobile devices.«

Nurido.eu says:

»With good conscience we give our BUY RECOMMENDATION to this handy solution for power support of mobile devices like smartphones, tablets and cameras.«

»Superb sunbattry from Sandberg. The capacity has trippled and the efficiency of the solar panels has been increased to 250 %. The output power is also more than doubled now.«

»The batteries are stronger, the solar panels are able to charge the battery a lot faster. The amount of amps is now a comfortable 2.100 mA.«