A big beast but very powerful

A big beast but very powerful

Aukey® 20,000 Amh Battery Backup, External Battery Portable Power Bank with 2 USB outputs Tech Aipower, 2.1A input, Output 1A & 2.1A, Mobile External Battery Double USB output with Flashlight function, External Battery for iPhone, iPad, Samsung Galaxy and other smartphones, tablets etc. White (Electronics)
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Customer Review

As seen in the photo, it is bigger than my phone (Blackberry Classic) ele is 152 x 80 X 18 mm and weighs 445 grams
I rebooted my phone that night and the battery has barely lost its reserve! So for portable like me it's great! I'll see how much load can I do but I think I have the margin!
my idea étaiut power from quiet city getaway in Europe without fear of finding myself GSM failure. Here I think to be quiet

After everyone to find the right compromise reserve size

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