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  • EC Technology® 18000mAh Ultra Slim (12mm thin) Dual-Port Power Bank Aluminum Alloy External Battery Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Black
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EC Technology® 18000mAh Ultra Slim (12mm thin) Dual-Port Power Bank Aluminum Alloy External Battery Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Black


Price: $69.99
Sale: $29.99 & FREE Shipping on orders over $35. Details
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Sold by EC Technology US Store and Fulfilled by Amazon. Gift-wrap available.
18000mAh-Black
  • Ultra slim(12mm thin) size makes it easy to carry and fits easily into handbag. Sleek, compact design, sturdy aluminum body withstands scratches and bumps, ensures usage for years to come.
  • 18000mAh capacity with high efficiency rate enable it to charge an iPhone 4s 10 times, a large capacity phone like Glaxy S4 5 times, or an iPad mini 3 times.
  • Dual USB (2.1A + 1.0A) for charging 2 devices simultaneously. There are 3 LED modes: SOS mode, power status mode, highlight mode.
  • Constructed with A+ Li-Polymer battery cells and build-in microchips to ensure safety use and long lifespan.
  • Package contents: EC Technology 18000mAh External Battery, 1 Micro USB charging cable, User manual
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EC Technology® 18000mAh Ultra Slim (12mm thin) Dual-Port Power Bank Aluminum Alloy External Battery Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Black + Anker® 40W 5-Port Family-Sized Desktop USB Charger with PowerIQ™ Technology for iPhone 5s 5c 5; iPad Air mini; Galaxy S5 S4; Note 3 2; the new HTC One (M8); Nexus and More (Black)
Price for both: $55.98

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Technical Details

Size: 18000mAh-Black
  • Size (LWH): 6.65 inches, 4.72 inches, 0.47 inches
  • Weight: 0.16 ounces
  See more technical details

Product Details

Size Name: 18000mAh-Black
  • Product Dimensions: 6.6 x 4.7 x 0.5 inches ; 0.2 ounces
  • Shipping Weight: 1.6 pounds (View shipping rates and policies)
  • ASIN: B00LVTUYA0
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (127 customer reviews)
  • Amazon Best Sellers Rank: #5,329 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

Size: 18000mAh-Black

Ultra Slim Aluminum Body
Just 12mm thin, the thinnest high capacity power bank in the world. The pad design makes it easily put into your handbag.
Slim and stylish aluminum body ensures efficient heat dissipation, lighter weight, and ensures usage for years to come.

Effective
A+ Li-pollymer Lithium-ion battery: After 24 months, still over 70% of total capacity.
18000mAh capacity with high efficiency rate enable it to charge an iPhone 4s 10 times, a large capacity phone like Glaxy S4 5 times, or an iPad mini 3 times.

Widely Compatible
All Dual USB Output Ports are universal and compatible with almost any smart device with an input of DC 5V, eg. smartphones, 5V tablets, PSP, Bluetooth speakers & headphones, Google Glass, and MP3 / MP4 players.

Perfect for Safe
Certified by RoHS, CE & FCC, designed with the highest industry standards for safety.
Supports over-charged, over-discharged, over-voltage, over-current and short-circuit protection to protect your devices.

Intelligent LED Flashlight
4 bars LED indicator light helps you easily know the charging status and battery level. Bulit-in 3 modes LED Flashlight, SOS mode, highlight mode, average light mode.

What's Included
1 x EC Technology High Capacity Ultra Slim 18000mAh Power Bank
1 x Micro USB Charging Cable
1 x User Manual

For optimal use
For simultaneous, max-speed charging of your 18000mAh power bank and other devices, check out EC Technology's new 35W 6-port usb charger or 36W 5-port smart car charger.
To ensure complete safety and best performance, we strongly recommend using your device's original cable, a third-party certified cable (such as MFI) or our included cable.

Customer Reviews

Works well keep my phone charge all day.
Ewilliams2099
Extremely useful when traveling and really any other situation when have no access to an electrical outlet and have to have your phone (or other device) handy.
Kats
This device can charge my phone up to 2 times from 20%.
Finn and Dex

Most Helpful Customer Reviews

34 of 39 people found the following review helpful By NLee the Engineer HALL OF FAMETOP 50 REVIEWER on December 1, 2013
Size Name: 5600mAh
From the outside, this EC TECHNOLOGY 5600mAh External Battery Pack looks EXACTLY the same as another power bank I have previously tested, the PowerBot PB5600. However, based on my testing, they have very different control circuits, and contain different capacity batteries inside.

I tested the capacities of both units, using the same method, with a 5-ohm power resistor as load.
- The PowerBot unit delivered an average power of 4.91W for 183 minutes. This means a total output energy of 15Wh
- The EC Tech unit delivered an average power of 5.08W for 210 minutes, which is equal to 17.8Wh
(see the "Output Power vs. Runtime" chart I uploaded to 'Customer Images section for details)

Assuming energy conversion efficiency of 80%, I can estimate the PowerBot unit's internal battery to be 5060mAh, or 10% lower than advertised. The EC Tech unit's battery is estimated to be 6000mAh, or 7% higher than advertised.

Notes on the control for this EC Tech unit:
- A short pulse on the power button turns on the USB output power
- A long press over 5 sec turns off the USB power. The unit will auto-off after 1 minute if no load is detected.
- Two short pulses turn on the LED flashlight. It is relatively dim and only good for short distance illumination.
- Another two short pulses turn off the LED flashlight.

The EC Tech unit's battery status indicator is highly non-linear. Each LED 'ring' does not represent 20 or 25% of charge.
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4 of 4 people found the following review helpful By Cedric on January 15, 2014
Size Name: 5600mAh Verified Purchase
So far this battery has meet all the requirements I expected in a portable battery source. The light is not that bright, but I did not purchase it for that option. It is good enough if you need to find something in the pitch dark or use as a book light. I found that the battery itself provides a faster charge to my Samsung phone versus the wall charger that came with the phone. I like the ability to charge different devices with the accompanying plug-in attachments.
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3 of 3 people found the following review helpful By Mike Tarrani HALL OF FAMETOP 50 REVIEWER on September 24, 2014
Size Name: 18000mAh-Brown Leather Cover
Note: I am not going to rehash the product specs and description, so please read those carefully. My review will focus on my actual use and some additional information regarding some of the specs.

This battery is large, slim and one of the high capacity models that is perfect for tablet users. Of course, it's also perfect for road warriors who spend a lot of their time on layovers in airports (and searching for power outlets to stay connected.) For those folks the dual ports will keep a phone and tablet going for a multiple layover international trip.

Before proceeding I need to disclose that I received this as a review sample and also while it's true capacity is 18000mAh, you can realistically expect only 12600mAh of usable backup. That's because like all batteries based on Li-polymer technology loses thirty percent (or slightly more) in heat and conversion (about 16%) and from the cable itself (approximately 14%). Even at the usable level this is still almost twice the capacity of my Samsung Tab 3 10.1 which gives me about 8 hours of use without this pack and close to 21 hours with it attached. I did not test this with both a tablet and phone to determine the actual total use, but I did see about a 1% charging rate per three and a half minutes on my Note 3 phone from the 1.0 Amp port. That comes to a little over 94mAh per minute charging rate from that port. I did not test the 2.1 Amp port's charging rate.

This battery has an array of four LEDs that show remaining power. They indicate in 25% increments and I charged this battery up from two LEDs (between 26 and 50 percent), which took about eight and a half hours.
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3 of 3 people found the following review helpful By Cute Chihuahua TOP 500 REVIEWERVINE VOICE on August 17, 2014
Size Name: 18000mAh-Black
This battery pack measures 7 x 5 x 1/2 inches. It's large for a battery pack but it has a very high capacity. This battery pack has a capacity of 18000 mAh which is pretty impressive. In comparison my iPad 2 has a capacity of 6930 mAh so this battery pack will charge my iPad 2 over 2 ½ times. It's perfect for a power hungry family like mine. All four of my family members have either an iPad 2 or an iPad Mini and someone always needs to recharge. This battery pack is awesome for road trips and will supply us enough power to last even through an all day long road trip.

This battery pack is very nice looking black case that is very strong. It is very solid and as hard as a rock. It seems to be built really well. It has two USB ports on the front. One of them is higher powered 2.1 Amp and the other one is 1.0 Amp. The higher powered port is best for charging larger devices like an iPad and the smaller port is best for smaller things like a cell phone. It comes with a micro USB cable for charging it. It also comes with several other adapters including a 30 pin connector. It also has four LED lights on the front that tell you how much charge is left in the battery.

Overall I am pretty impressed with this battery pack. The only down side is its very large size. However there are a lot more good things about this battery pack than bad things and I am very happy with it.

Sample provided for review.
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