Customer Ratings & Reviews

I was a tad leery about buying such a bulky battery, but after having used it a few times and using both ports, I'm convinced it was a good buy.

We charged multiple devices during our vacation using both microUSB and lightning cables. Kept us charged up so we didn't miss a moment of site seeing.

Plenty of Power, The Tzumi - PocketJuice Endurance 12000 mAh Portable Charger ran my Tascam DR-701D all day on a location shoot and still had 75% power left!

it is an excellent item for outdoor use as these smart phones battery's quickly runs out and u need to be connected to the world, so such item would keep u on

Such a great buy. From time to time my family and i like to go on road trips now I'm able to keep both of my kids entertained on their tables for a longer period.

I was recommended this charger by a friend and have found it to be everything they said. I get quite a few charges from it, completely charging my phone from 5%.

Does exactly what it's supposed to my iPhone 6 Plus would go from 100% to 0 in just over an hour with constant use this thing keeps it going all day long.

This product has been worth the money I paid. I use it all the time to charge my iPhone and Samsung 7 as I travel a lot and the batteries run low by end of day.

I reviewed and and searched throughout Best Buy’s offerings and based on physical size and charge capabilities, this charger is pretty awesome.

This bank does not have a % display, but the high capacity for the price is great. I have had no reliability problems a few weeks in either.

This little guy packs a lot of juice and can charge my phone up to three times a day when it's on 5% or about to die. This is a bang for your buck.

Tiny little lifesaver. When I first bought it i fully charged my phone 3 times, and it still had power to charge more devices. I totally recommend it!!!

Awesome charger, bought it for my vegas trip and was able to charge my phone, my wife's and daughter and still had plenty of juice to charge more stuff

I still use this battery when I'm not anywhere near a charger. Can charge my phone a few times or two phones at once. Glad I bought one for emergencies.

This is a great Device if you're on the go . Performance is spot on with what hold a master charge for a longtime.

Great that it came fully charged. Purchased 2/27 and charged phone & iPad a few times, but still has 50% charge left as of 3/18. Great charger.

Worked great for charging 2 iPhones while in the parks at Disney world. kept us powered up for all day use, when a wall plug wasn't available.

This charger is fantastic! It charges quickly, holds enough juice to charge several items and keeps it's charge in my bag for weeks. Low battery, no problem.

This external battery recharges my iPhone 6 in about 20 minutes. I generally require 1 to 2 charges due to heavy voice and data usage during the workday

I was able to charge my Iphone Plus 5 times before it needs to be charge again. It's not heavy and It takes about 2-3 hours to be fully charge before use.