LG Electronics on Monday launched a new entry-level smartphone in South Korea. For starters, it features a massive 4,500 mAh battery unlike a 2,800 mAh battery in LG X5. In terms of specifications, the new LG X5 features a 5.5-inch screen with a resolution of 1280x720 pixels. It also comes with a 5MP front camera with a super wide angle …