Customer Ratings & Reviews

Tzumi 20 mah is my life without it my phone is dead. Keep your phone charged. I only have to charge it everyother day. I absolutely love it. It is easy to slide in pocket.

This is perfect for travel or everyday use what ever you need it for. Better than my mophie case, I can charge my iPhone about 3-4 times before I have to re-charge the battery pack.

Great external battery at a great price! I caught it on sale for $20 and you can't beat that, especially with it's good quality. It's long lasting and it gets the job done.

Came in handy at our last power failure when our phone was running low, we got out our power pocket juice, and BAM......back to 100%.

I purchase two of these one for me and my wife. She love it since she is always on her phone and now the battery life on her phone is unlimited.

It works great. Takes awhile to charge up but then I could charge an iPhone 6s Plus, iPad mini 3, and a iPad Air 2 before it went dead. An all three were at 20% when I charged them.

This is a very useful big portable battery. I use it for my heated vest. Lasts all day on the vests low and medium when needed setting.

This is a great product. I like to take it when I am going hiking camping or backpacking. Only downside is that you have to press and hold the power button for 15secs to power down when not using.

This has been my portable “ go to” option when out in the world at large. Love this product. Great build quality, simple to use, reliable, low cost.

Great product. Can charge two things at once and still have juice left for one more charge. It is little bit on the heavy side but worth the weight if you travel a lot.

I was using the cheap battery mobile chargers. I bought this because i kept running out of power even with two mobile chargers. This will fully charge my iPhone 6 8-9 times!

This portable juice pack in the perfect companion for a long days work! No longer am I looking for an outlet while out of the office or traveling on the road. Well worth it!

has a lot of capacity for the money. nice to have available for phone and other devices and will provide multiple charges for any cell phone.

This pocket juice portable charger has been a life saver for us. It will charge more than one unit at a time. Takes qbout 25 minutes to go from 40% to 100. Use it all the time.

The chargers carry an extra 5 or more charges for my phone. I was at a convention without daily access for recharging. It kept my phone fully charged through 4 days!!!

very powerful battery and has lots of juice to charge your device or others person device more than once. very good for trips of all kind and your daily basis routine.

Definitely didn't hold up to what was advertised. Bought this on sale and it charged my phone once and died after I had fully charged it per the instructions. Wouldn't recommend .

I had a couple of things i needed charge and it came in handy and last a long time only thing it is best if you turn of product in order to get a faster charge that is the only reason i gave it 4 stars

Battery is pretty good as far as i can see. Price was good. Charges a little slow, but that's because it lasts so long. No quick charging of devices, but will work if you don't have an outlet to charge.

With this portable charger you won't need to be Warry about letting your Tablet or smart phone dies. Just leave this portable charger charging all night for a better use.