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NewNow U20 20800mAh External Battery Portable Dual USB Charger Power Bank. Fast Charging, High Capacity, Ultra Compact. For iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 mini 3, Galaxy S5 S4 S3, Note 3 4, Tab 4 3 2 Pro, Nexus, HTC One, One 2 (M8), LG G3, Nexus, MO

Brand: NewNow
SKU# DG31478
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Shipment: Worldwide See details
Product Warranty: 15 days refund, 90-day warranty to replace. See details

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Product Description

This product is a huge capacity portable NewNow This power bank with high performance li-ion cell, whose capacity up to 20800mAh.
It can be regarded as a charger or a backup battery with USB output which can charge for mobile phone, video game, iPod, MP3, PDA, MP4, MP5, PMP and other device with USB charging by matched discharge output cable and plus adaptor. The best gift for your parents, girl friend, friends and yourself.



* NewNow Power Brand, Fashion 100% fit design.

* Portable design.

* 20800mAh Backup power bank.

* LED Flash Light is convenient for you to use in darkness.

* LED indicators show you the energy state of external battery.

* Dual-USB output ports (1A and 2A) allow you to charge 2 devices at the same time.

* Apply to various electronics devices, such as mobile phone, Blackberry, MP3, MP4, PSP, iPod, iPhone, iPad and etc.

* Easily fit into your carry bag and charge your mobile device anytime and anywhere.



7 smart output protections guarantee overall security while using:

* Over charge protection.

* Over discharge protection.

* Over voltage protection

* Over current protection.

* Over load protection.

* High temperature protection.

* Short circuit protection.

* PCB charging protection and MCU software ensure safety.

* Smart circuit control technology enables it charges automatically once connected.

* Meet with a variety of FCC, UL, CE and RoHS certification.


- SmartPhones: Samsung / HTC / LG / Motorola / BlackBerry / Nokia / Google / Sony...

- iPad 4 3 2, iPad Mini, iPhone 6 5s 5 4S 4, iPod (please use the original 8Pin / 30Pin Cable from Apple )

- Tablets & eReader: Google Nexus 7/Nexus 10Galaxy Tab, Galaxy Tab 2

- Mobile phone, MP3, MP4, digital camera, and other with mini USB slot digital devices

- Nokia cell phone with DC 2.0 port

- Sony PSP1000, PSP2000, PSP3000

Package includes:

1 * 20800mAh NewNow Power Bank 

1 * USB Charging cable for Android mobile phone



Battery Type lithium-ion
Product Type Power Bank
Capacity 20800 mAh
Output 5V, 1A/2A
Charger time 8-12hours
Color White
Battery cycle life >500 times
Certification CE, ROHS, FCC
Weight: 428.00 Grams


Can I use my USB cable other than that came along with my NewNow external battery?


NewNow external battery’s efficiency

Each external battery loses power because of circuit resistance and voltage conversion.

As the industrial standards say, each external battery is labeled based on its raw cells capacity rather than efficiency. We follow this standard like other companies.

How long will the external battery lasts if it’s not in use?

Most of our external battery’s static power consumption is less than 100uA, which means it will take 3.5 ~20 years to use up the battery.But the chemicals inside the li-ion cells will become less active as time goes by. Most external batteries will die in two years without use.

How to extend your external battery’s life?

1. Remember to charge and recharge your battery at least once each 3-4 months.

2. Never overcharge or over-discharge your battery. You’d better keep it charged between 5% and 95%.

Can NewNow external battery be used for overseas travel?

Yes. Make sure the USB adapter you take with is compatible with the voltage of your destination country. Each adapter’s voltage input is printed on its surface.

Can I take a NewNow external battery on board airplanes?

Yes, each NewNow external battery can be taken on board airplanes safely and legally.Listed below are the related requirements.

Quoted from Federal transportation security rules (Effective January 1, 2008):Lithium ion batteries (a.k.a.: rechargeable lithium, lithium polymer, LIPO, secondary lithium).

-Passengers may carry consumer-sized lithium ion batteries [no more than 8 grams of equivalent lithium content or 100 watt hours (wh) per battery]. This size covers AA, AAA, 9-volt, cell phone, PDA, camera, camcorder, Gameboy, and standard laptop computer batteries.

-Passengers can also bring two (2) larger lithium ion batteries (more than 8 grams, up to 25 grams of equivalent lithium content per battery) in their carry-on. This size covers larger extended-life laptop batteries. Most consumer lithium ion batteries are below this size.

What if I lose the accessories came with my external battery?

Please make sure if you have got an extra one or contact us at

NewNow external battery’s compatibility

NewNow external batteries are 100% compatible with Apple and Android tablets and smartphones

Can it charge other digital devices and be charged simultaneously?


Can I charge multiple digital devices at the same time?


What can I do if the NewNow external battery fails to recharge

c. Make sure that the adapter is connected correctly.d. Make sure that the USB cable is connected correctly.Please contact us via email at

What can I do if the NewNow external battery fails to charge my devices?

Check if the voltage is compatible with your digital device’s charging voltage.

How long does it take to charge my NewNow external battery fully?

It depends on the charging adapter and capacity of external battery. The NewNow Bamboo V 13000mAh battery is charged completely in just 4 to 5 hours. NewNow Bamboo VI 15600mAh is charged totally in just 7 to 9 hours. However, it’s better to be charged 13 hours before the first use.


Is it the original NewNow product?

Yes, we guarantee is selling 100% original NewNow products.


What does it include in the package?

The NewNow power bank package includes a NewNow power bank, an instruction manual and a USB cable (for charging power bank itself).


Why a charging adapter is not included in the package?

Considering that most smart phones adapter comes with a 5V USB interface which is compatible with NewNow external battery, an extra adapter is not included in the package. It also helps us save more cost for our customers.

How can I charge a NewNow power bank?

NewNow power bank should be charged with a 5V charging adapter. If you use a 5V 1A adapter to charge a 13000mAh battery, it usually takes 6 hours. If you use a 5V 700mAh adapter, it takes 9 hours. Which means, the lower the current, the slower the charging speed. On the contrary, the higher the current, the faster the charging speed.

What is the capacity of your product?

NewNow Bamboo I Power Bank: 2600mAh

NewNow Bamboo II Power Bank: 5200 mAh

NewNow Bamboo V Power Bank: 13000 mAh

NewNow Bamboo VI Power Bank: 15600 mAh

NewNow V Series V6 Power Bank: 13200mAh

NewNow M6 Power Bank: 5000mAh

NewNow 1st Gen Power Bank: 10000mAh

How long can I use my power bank?

NewNow power bank external battery charging-discharging cycles >500 times. If you charge it once a day, you can use it more than 2 years.

Can I charge all my digital devices with a NewNow power bank?

NewNow power bank can charge most digital devices on the market. However, if the capacity of your device exceeds NewNow product capacity or charging voltage is higher than 5V, it can't be charged.

Does it work with the new iPhone 5s, 5c?

Yes. But we don’t provide Apple connector. Please use your device's original cable.

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User Reviews

Previous | Showing reviews 11-20 of 148 | Next


wonderful capacity!

Didn't fear long bus rides with concern that I should avoid using my device because I would not know when the next opportunity to charge it would be. These are rational fears in my day to day life where my phone barely makes it through the day, let alone in a different country where I might actually need it for something like an emergency call. Or the next opportunity for a selfie with a historical landmark. Either one.
Only had to recharge this beast once on a 7 day trip, wonderful capacity!


Love the battery life.

Love the battery life can charge my Galaxy S5 several times and still have good battery life on one charge.


Works Great So Far.

Works Great So Far. I've Had It For Three Months


Worked great while we were on vacation in Europe.

Worked great while we were on vacation in Europe. Charged my IPad, and my IPhone regularly, with no problems. In a month, I only had to charge the backup charger 3 times to keep all my electronics going!


This thing holds a lot of charge and nice to have for peace of mind.

This thing holds a lot of charge and nice to have for peace of mind.


Worth the cost for sure.

These battery packs work great. I've ordered a couple of them to give to our guys in the field. Provides ample battery backup (about 6-8 charges per use with a Samsung Galaxy S5), the flashlight is a nice added bonus. The battery charge lights on the front will give you an indication of how full the battery is with a single press of the side button or double press and the flashlight turns on. Worth the cost for sure.


I'm extremely pleased with this unit!

I'm extremely pleased with this unit!... It's about to get a real workout on my 15 hour flight in a couple of days!


I used this to charge my android phone

I used this to charge my android phone. It charges very quickly. Comes with 2 USB-Micro cables( one built in and one standard.) have enough juice to charge my phone and then some. Very slim and easy to use. one thing is the material of the case. It can catch some fingerprints.


Absolutely love this product!

Absolutely love this product! I keep it in my backpack that i take to work and I'll be honest.I have a Galaxy S4 and this device holds enough juice to charge my phone from roughly 20% to a full charge on most work days for 2 weeks before needing to be recharged.This is what great service is all about! 5 Stars for a great company that values its customers!


I am VERY pleased with my purchase

The NewNow U20 Power Bank has turned out to be a very useful device. It's well designed with quality materials and charges my devices with no trouble. I am VERY pleased with my purchase ... and I will recommend this product to friends and family.

Previous | Showing reviews 11-20 of 148 | Next