Apple is expected to unveil three new iPhone models in 2018. Now KGI Securities analyst Ming-Chi Kuo said in an investor note that the upcoming devices could come with bigger batteries, when compared to the iPhone X . Apple is said to go with L-shaped battery design for iPhone 6.5-inch and 5.8-inch OLED models of 2018, while the 6.1-inch LCD variant of iPhone could pack the regular rectangular battery. To recall, iFixit teardown of Apple iPhone X revealed that Apple used L-shaped design to fit in two batteries in the phone, improving its battery life. Notably, the company typically doesn’t reveal the battery capacity at the time of new iPhone launch. However, a TENAA listing suggested that iPhone X packs a 2,716mAh battery, which is one of the largest found on any of Apple’s phone until now. According to Kuo, the 5.8-inch iPhone 2018 model could be backed by a battery capacity of between 2,900mAh and 3,000mAH. He predicts that the overall battery capac...