The LG G Flex is an unusual device that brings a lot of innovation in one package. The battery is one – it’s a curved, flexible battery that allows the whole device to be flexed. To make this happen, LG also had to develop a flexible screen – an OLED built on a plastic substrate.
Despite working with such new technology, LG still managed to squeeze a whopping 3,500mAh battery in the G Flex. But with a huge 6″ OLED screen to feed, will it be enough?
Talk time as you can expect is outstanding – the phablet lasted over 25 hours. It couldn’t topple the Sony Xperia Z1 off its perch, but it is ahead of the Huawei Ascend Mate and its 4,050mAh battery. You’ll never be able to deplete the battery just by talking.
Talk time
- Sony Xperia Z126:53
- LG G Flex25:19
- Huawei Ascend Mate25:12
- LG G225:01
- Oppo N125:01
- Sony Xperia Z Ultra24:23
- BlackBerry Z3023:19
- Pantech Burst4:46
You will with web browsing though. The new POLED screen has only 720p resolution (which means less strain for the chipset), but it’s completely new technology not without its issues. You can read about those in our review and we guess we have to add high power consumption when displaying white to the list.
The LG G Flex managed 9 and a half hours, which is impressive by any measure, but not the best. The HTC One Max with a similarly sized battery and screen (though 1080p) managed to last over 2 hours more, but LCDs commonly beat OLED displays on this test. Case in point, the Samsung Galaxy Note 3 is half an hour behind the G Flex (it has a 5.5″ 1080p sAMOLED and 3,200mAh battery).
Web browsing
- Sony Xperia C12:45
- BlackBerry Q510:04
- HTC One9:58
- Apple iPhone 5s9:58
- Apple iPhone 59:56
- Samsung Galaxy S4 mini9:47
- LG G Flex9:31
- Motorola RAZR MAXX (ICS)9:12
- Apple iPad mini9:05
- Apple iPhone 5c9:05
- Oppo N19:05
- Samsung Galaxy Note 39:04
- Samsung Galaxy Nexus3:01
If white web pages are power-hungry on OLED displays, videos are not as the brightness across the image is a lot more balanced. The sizeable battery pushed the LG G Flex on top in this test, falling just a few minutes short of the 20 hour mark. The Note 3 and One Max both lasted just over 13 hours. Since screen size is more important than resolution for watching videos, the G Flex makes a great portable movie player.
Video playback
- LG G Flex19:57
- Motorola RAZR MAXX (ICS)16:35
- Motorola DROID RAZR MAXX14:17
- Samsung Galaxy Note 313:32
- Nokia Lumia 102013:12
- Samsung Galaxy S4 mini13:12
- Nokia Lumia 7103:27
The standby power draw is about as low as we have seen from mobile devices, which combined with the high scores in the talk and video playback tests result in a stunning endurance rating of 97 hours.
Depending on your usage pattern, you can easily get three days without charging from the LG G Flex even with heavier usage. If you do a lot of web browsing, however, you can expect something closer to two days without charging.
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