Customer Ratings & Reviews

This an outstanding portable charger that attaches to the case and is removable.

Best accessory for an iPhone I have bought. Has a bunch of attachments also.

great for people who use their phones often and have battery life problems.

I wish it gave more power but awesome. Because it hook right into case

This is a great case for those who constantly drop their phone :)

easy to use but I would prefer the charger be an Iphone charger.

great accessory and slim fit love it.... great addition to the case

This is a very low profile battery to charge the iPhones.

An awesome charger for IPhone 7 and 7 plus. I love it!

Nicely fits in place in place & is out of the way.

Not for me but maybe for you. It took longer than expected and I did not like having to change for car holder to battery to cell phone case.

Bought this for a trip, and immediately regretted the purchase when we opened up the packaging for all the Universal accessories. There are too many small necessary pieces. Poorly designed. We didn't even end up taking the items on the trip - returning all the Universal products today.

Rubber wears out fast and is really flimsy and not a tight fit

Does t hold a long charge. Neat concept and durable for phone

Had the case and some accessories but to take the battery off was like opening a jar a sealed pickles

How can I say it any better then it just plain old doesn’t work. Charged it with the supplied charger and others we had at home. Lights up and dies after 10 seconds. Price of junk.

Short life span and micro usb charging...do not buy!

Bought battery case and wallet both didn’t last long.

I purchased the universe case today after eyeing it for a few days. I decided to buy this battery attachment to go with the case. I am glad that I did. The only downfall I would say is my battery did not come precharged. It took a few hours to fully charge but works great after first charge. I have the 6 an it definitely gives my phone a full charge when I'm down to 20%. If you are considering this I would definitely recommend. I will also be buying the car vent clip tomorrow. Can't wait for more attachments. I hope this helped anyone sitting on the fence about this one.

I wanted a switch from a certain battery case competitor, so I purchased the OB Universe Case and this accesory 2 weeks ago. First of all, it boasts a higher MA battery, that maybe gives me an extra 70%. I'm not even mad about the lesser charge... The micro USB on the side has already gone out. I've tried different cables and wall adapters... Still have to jiggle the cable around and hope for a charge. I don't even use my phone when it is plugged in. I have worked electronics retail and this is just a bad accessory. Just a gimmick I should have seen coming a mile away. I sure do hope PolarPro will warranty it for me..... OH and I forgot to mention you can't even charge your phone without having to switch it to the "on" position. Don't waste your money. Period.