LG G Flex is the first smartphone with a curved battery

LG G Flex is the first smartphone with a curved battery
Several weeks ago, LG Chem confirmed that it has successfully developed a curved battery, and now we know which smartphone the cell will be outfitted in for the first time. This is, as expected, the newly-announced LG G Flex – the battery was made specifically for company's first curved screen smartphone, minimizing the dead space inside the handset's body by following its curvature. 

LG Chem has applied its patented Stack & Fold technology, which does a great job at minimizing the stress on the battery's components as the cell is being molded to the desired shape. At the same time, the company has managed to maintain the battery's high stability and performance. Even with its unorthodox shape, the curved battery inside the LG G Flex can hold 3500mAh of charge.

Two more innovative battery designs presented by LG Chem earlier this month include the company's Stepped and Cable battery technologies. The former allows for two batteries to be stacked together, thus forming unusual battery shapes that make the most of the space available inside of a handset, while the latter, designed for low electricity usage and minimum heating, allows batteries to be bent, twist, and even tied in a knot.

source: LG

Related phones

G Flex
  • Display 6.0" 720 x 1280 pixels
  • Camera 13 MP / 2.1 MP front
  • Processor Qualcomm Snapdragon 800, Quad-core, 2260 MHz
  • Storage 32 GB
  • Battery 3500 mAh



1. LetsBeHonest

Posts: 1548; Member since: Jun 04, 2013

Nice. Good job utilizing space.. but it should have been a 5"inch or 5.5"inch 6 is too large.. At least for me.

2. InspectorGadget80 unregistered

Another beautiful curved display.

3. scriptwriter

Posts: 396; Member since: Nov 13, 2012

Thought the Samsung Galaxy Round had curved battery?

4. TylerGrunter

Posts: 1544; Member since: Feb 16, 2012

It has not, that's why it has "only" 2800 mAh instead or the 3200 in the Note 3. Good work for LG managing to put a 3500mAh battery in a curved phone!

11. lifeyourlive

Posts: 126; Member since: Aug 23, 2013

no no no, it even has smaller battery than note 3, actually BECAUSE it is curved! lul at that

5. Finalflash

Posts: 4063; Member since: Jul 23, 2013

PSH, does it have 64 bit with 1 GB of RAM, because otherwise it is not innovation or invention.

8. PapaSmurf

Posts: 10457; Member since: May 14, 2012

A flexible battery isn't innovation to you? Really?

9. davidvvassallo

Posts: 39; Member since: Jul 02, 2011

He was obviously being sarcastic, he was trying to make fun of apples new ipad air and ipad mini, which both have 64 bit cpus and 1gb of ram

10. Finalflash

Posts: 4063; Member since: Jul 23, 2013

Thank you for breaking it down. I maybe should have added a /sarcasm or something.

13. PapaSmurf

Posts: 10457; Member since: May 14, 2012

Fact is, A7 has the best per core performance but rivals the Note 3.

15. wildfiregt

Posts: 179; Member since: Jun 10, 2013

But 1GB of RAM is kiddish

6. GrapeEyes

Posts: 248; Member since: Sep 01, 2013

The only thing this curved LG phone is good for, is that it can be my permanent toilet paper "wipe and wash".

14. RebelwithoutaClue unregistered

Quite expensive piece of wipe and wash and I dont know if it's water(shít) proof ;)

7. TomTheNerd

Posts: 67; Member since: Oct 11, 2013

I was wondering how a curved phone had such a big battery capacity.

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