Ultra-Slim Ultra-Portable Ultra-Safe 2500mAh Wallet Pocket Power Card Power Bank, ONE-for-All External Mini Battery for Most Smart Phone and Digital Devices(White with Lightning Adapter)
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Connector Type | USB Type C, Lightning, Micro USB |
Brand | kolumb |
Battery Capacity | 2500 Milliamp Hours |
Color | 2500mAh White (Lightning adapter stored in module) |
Special Feature | Portable, pass-through |
About this item
- Ultra-slim: Similar Poker size with only 1/4 inch (6mm) thickness
- Ultra-Portable: One-to-Go and One-for-All design, Build-In micro USB cable, and iPhone 5/6 Adapter
- Ultra-Safe: NO Risk of ON FIRE nor EXPLOSION; Smart Control Tech, no Short-Crcuit, Over-Charge nor Over-Current for BOTH your devices and battery
- Important Call Saver: NO power off, NO open your phone, NO stop, just Plug in and Continue
- FCC-Vertificated, CE-Vertificated, RoHS-Vertificated, CCC-Vertificated, One year Warranty.
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This Item Ultra-Slim Ultra-Portable Ultra-Safe 2500mAh Wallet Pocket Power Card Power Bank, ONE-for-All External Mini Battery for Most Smart Phone and Digital Devices(White with Lightning Adapter) | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $12.99$12.99 | $18.99$18.99 | -11% $15.99$15.99 Typical: $17.99 | $19.99$19.99 | $69.95$69.95 | $19.95$19.95 |
Delivery | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 |
Customer Ratings | ||||||
For traveling | 4.0 | 4.2 | 3.5 | 4.3 | 3.8 | 4.4 |
Light weight | 4.5 | — | 4.1 | — | 4.4 | 4.6 |
Battery life | 3.3 | 3.7 | — | 4.0 | 3.2 | — |
Value for money | 3.1 | — | — | — | 3.3 | 5.0 |
Charging power | — | 3.8 | — | 4.1 | — | 4.1 |
Sold By | Kolumb Choice | JellySub | Cabalay Co.,Ltd | ASK-Tech | AquaVault, Inc. | TNTOR-US |
capacity | 2500 milliamp hours | 5000 milliamp hours | 6000 milliamp hours | 5000 milliamp hours | 2300 milliamp hours | 3500 milliamp hours |
connector type | Lightning, Micro USB, USB Type C | USB Type C | In-line connector | — | Lightning, USB Type C, Micro USB | USB Type C |
number of ports | — | — | 4 | 1 | — | 1 |
compatible devices | iphone,phone,smart phone | iphone,phone | Smartphone | Smartphone | Iphone (All), Samsung (All), Android (All) | Smartphone, Tablet, Headphone, Camera, Smartwatch |
voltage | 5 volts | 5 volts | 5 volts of alternating current | 5 volts | 5 volts | 5 volts |
weight | 0.06 kilograms | 4 ounces | 3 ounces | — | 0.24 pounds | 95 grams |
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2500mAh Wallet Pocket Power Card Power Bank
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Product information
Product Dimensions | 3.74 x 2.44 x 0.24 inches |
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Item Weight | 2.11 ounces |
ASIN | B00Z24G06M |
Item model number | powercard-u2 |
Customer Reviews |
4.0 out of 5 stars |
Best Sellers Rank | #76,162 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories) #1,464 in Cell Phone Portable Power Banks |
Is Discontinued By Manufacturer | No |
Special features | Portable, pass-through |
Other display features | Wireless |
Color | 2500mAh White (Lightning adapter stored in module) |
Manufacturer | kolumb |
Date First Available | June 29, 2017 |
Warranty & Support
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Product Description
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Easy to CarryGreat Every Day Carry Item:
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Easy to UseOne Device, Dual Compatibility:
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Value Added ItemOne to Go, not a dream:
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Always Within ReachEmergency saver:
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Capacity | 2500mAh; 9.25wh |
Average Output | 1750mAh; 8wh |
Output | Built-in Micro USB cord and adapter: 5V/ 1A |
Input | Micro USB: 5V/ 1A |
Recharge Time | 5V/ 1A: approximately 3 hours, 5V/ 2.1A: approximately 2 hours |
Power Level Indicator | Recharge: Red light flashing; flashing stops till the power bank fully recharged, Discharge: Blue light on and will be off when battery level down to zero. |
Wallet Power Bank | Wallet Power Bank Plus | |
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Customer Reviews |
4.0 out of 5 stars
1,458
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Battery Capacity | 2500 mAh | 4000 mAh |
Adapter for iPhone | ✓ | ✓ |
Adapter for USB-C port | ✓ | |
Slot compatible for iPhone adapter | ✓ | ✓ |
Slot compatible for USB-C adapter | ✓ | |
Stick-on Phone Pocket | ✓ | ✓ |
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the size, ease of use, appearance and thickness of the power bank. For example, they mention it's compact, easy to use and that it fits inside their wallet. That said, opinions are mixed on performance, value, quality and charging.
AI-generated from the text of customer reviews
Customers like the size of the power bank. They say it's compact, fits inside their wallet, and is very portable. The dimensions appear to be accurate, and the battery size is at least 60. Some mention that the powerbank is the size and weight of a credit card.
"...card and is only as thick as the phone itself making it a very portable device...." Read more
"...This unit is a terrific size. I can charge the phone in my shirt breast pocket with the charger flat up against the phone; it is very slim...." Read more
"...I bought this battery based on the light weight, thoughtful design and positive reviews...." Read more
"...Pros: small, light weight, can fit any type of phone with the adapters, has the wire attached, great to keep in a small purse for emergency..." Read more
Customers like the thickness of the power bank. They say it's small and about as thick as 3 credit cards. Some say it is the thinnest wallet-sized power bank of its kind anywhere.
"...this size and price, I'm just happy to have "something" that's thin and light in my briefcase during the workday...." Read more
"...However, its selling point is its exceptional thinness (and ability to be stored in your wallet), so it definitely gets a five with those..." Read more
"...version of this and it was great; the small size and thin profile was super convenient, and it could charge my iPhone twice...." Read more
"I love the lightness, thinness, and portability and cost...." Read more
Customers like the appearance of the power bank. For example, they mention it has a very neat design, it's cute, and easy to carry. Some say that the size is small and the charger doesn't do much.
"...Its really a shame because the design is outstanding with the built in cables, and the company was great about mailing me a replacement for the..." Read more
"...I bought this battery based on the light weight, thoughtful design and positive reviews...." Read more
"...Excellent design and value for the money!! Highly recommended." Read more
"...This is a great design. I have a really thin briefcase to hold a thin Windows Ultrabook and a few papers. So a clunky battery makes a bulge...." Read more
Customers find the power bank easy to use. They mention that the slim design makes it easy to carry with their phone. Some say that the power feature makes it convenient when lending the power to colleagues.
"...Its completely reliable, super easy and so well designed w/the cables built in - I literally rely on this without issue...." Read more
"...It’s super slim! It is so convenient not having to carry a cord and battery that is always so annoying because I always forget the cord or battery..." Read more
"...best thing is that this charger can fit the OEM adapter so it’s really convenient and the pass through charging is a plus...." Read more
"...this minor irritation, but I can live with this for such a slim, convenient product" Read more
Customers are mixed about the charging of the power bank. Some mention that it has its own charging plug as part of the overall unit, and comes with a cord built in. They also appreciate the two iPhone converter plugs included. However, others say that it doesn't fully recharge their phone, and needs charging almost every 2 days.
"...designed for use with iPhones and Androids as there are two iPhone converter plugs included. It gives my XR one charge which is all I expected...." Read more
"...One of the black ones (3 weeks old) doesn't charge the phone, just keeps it at the same power level, so I am returning that on ed and buying another..." Read more
"...light weight, can fit any type of phone with the adapters, has the wire attached, great to keep in a small purse for emergency charging..." Read more
"...I am also downgrading the device because it only charges my Moto X about half-way. Therefore, it is only useful for an emergency recharge...." Read more
Customers are mixed about the performance of the power bank. Some mention that it works great and provides their phone with the necessary power. They also say it's a really smartly and nicely designed product, and a good emergency source. However, others say that it doesn't work very long, it doesn’t work on their Nano or iPhone, and that it dies.
"...In short, this charger is indispensable. There is nothing like it. Of course, there are many chargers that have more capacity...." Read more
"...You cannot plug the Micro USB all the way in. It doesn't work on my Nano or my iPhone...." Read more
"...When it works, it works really well, and the design is really outstanding with the cables and adapter built in...." Read more
"...I have a Samsung S9+ and it doesn't work. So I found a USB connector that works with one of the ports and I am able to use my own power cord...." Read more
Customers are mixed about the quality of the power bank. Some mention it's very reliable, sturdy, and a great little backup battery. However, others say that it doesn't last long, the cords that come with it are flimsy, and it'll break easily.
"...black ones (3 weeks old) doesn't charge the phone, just keeps it at the same power level, so I am returning that on ed and buying another...." Read more
"...It is able to fully charge my Moto X. It fits in a back pocket and is so sturdy you can sit on it all day without damage...." Read more
"...It seems that the wire is vulnerable because of its dimensions and material and you may NOT have to be extremely delicate, but it seems there is a..." Read more
"...is long and created a longer plug with more leverage making it very easy to crack with just slight pressure on the cable adapter...." Read more
Customers are mixed about the value of the power bank. Some mention it's great value for the money, the perfect charger for $12, and one of the best price to performance ratio devices they have ever used. However, others say that it'll be a waste of money and a rip off.
"...Excellent design and value for the money!! Highly recommended." Read more
"...I’m very disappointed in this product. Definitely a waste of money!" Read more
"...This is the perfect charger for $12. It charges my iPhone from 10 % to 90 %. And it gives my Apple Watch around 5 charges max...." Read more
"...TL:DR Rip off, did NOT include Apple adapter" Read more
Reviews with images
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After 4 to 6 weeks of daily use.
I've purchased 2 sets of 2each. 2 white and 2 black.
The original 2 white ones are still working after 6 weeks. One of the black ones (3 weeks old) doesn't charge the phone, just keeps it at the same power level, so I am returning that on ed and buying another. I love these little things.
Original Review:
Very light weight. I am playing an cell phone game that is battery intensive - so I got this with the idea of keeping it in a pocket for probable use throughout the day. So yes, I do keep it on me and is light weight and easy to carry. The iPhone 7 battery is pretty good, and this paperweight device is all I need to make it last as needed for the game. I was sceptical at first, but am sold on it. I may order another. I had an idea to put double sided scotch tape on it to stick to the back of my phone. So the tape is on it, with a plastic sheet left over from a screensaver to protect the sticky side till I need it. I know this is a great idea lol.
If it does'nt work out, I'll come back and tell you why.
The size is just about the size of a credit card and is only as thick as the phone itself making it a very portable device. I had it connected for 45 minutes yesterday and it charged up the phone like a champ and had power left over.
Edit: 2 weeks later and I have been using every day. This is great. I just bought 2 more for back up in case I damage one of the others. I would hate to mess one up and not have a spare. Did I say these were fantastic?
I use scotch double edge tape and stick it to the back of my iPhone's lightweight case and have my battery problems vanish.
Edit: I bought one of the larger batteries - although the same style - for my iPhone 6 plus. I am using the bigger phone to play my video game and the larger Battery works like a champ with the larger phone.
Here is why this review was wrong: The device charges extremely fast; much faster than plugging the phone into the wall. It is able to fully charge my Moto X. It fits in a back pocket and is so sturdy you can sit on it all day without damage. It sits parallel to the phone so you can charge the phone while in your pocket. In short, this charger is indispensable. There is nothing like it. Of course, there are many chargers that have more capacity. This one has enough capacity. And, it has the perfect form factor and sturdiness to carry in a pocket.
When it works, it works really well, and the design is really outstanding with the cables and adapter built in. Its not going to fit in a wallet (maybe a woman's wallet in a purse), but it fits into pockets really well.
I'll come back in the future, hopefully it proves more reliable and I can give it a more experienced review.
*** UPDATE***
I've been using this daily and I've not experienced any of the issues I originally did. Its completely reliable, super easy and so well designed w/the cables built in - I literally rely on this without issue. Don't know what happened, but I can happily give this 5 stars. Again - no way in hell this is thin enough to fit in a men's wallet IMHO, but just very happy and totally recommend it.
*** UPDATE 2 *** Well unfortunatley it seems my enthusiasm was pre-mature. This one is exhibiting the exact same issues as the first one I had. It will be fully charged, you plug it it into your phone, sometimes it works, sometimes it doesn't. Once you get it working, at some point it will just stop so you have it plugged in but its not charging. Then other times it seems to work better, but never normal. Its really a shame because the design is outstanding with the built in cables, and the company was great about mailing me a replacement for the first one that was busted. If they could make this reliable I would say this is a "must have" product, but unfortuantely I'm left around town with a dead phone!
*** UPDATE 3 ***
Doesn't work at all anymore - on either cable. Even though the company did send me a new one, which is a credit to them, I've now had two of these and unfortunately neither was reliable enough to use. I would advise you look elsewhere unless they release a more reliable version.