Battery life drain test of the 2019 OnePlus 7 Pro vs Samsung Galaxy S10 Plus vs iPhone XS Max vs Huawei P30 Pro vs Xiaomi Mi 9...Which Smartphone has the best battery life? Subscribe for more content (IT'S FREE) : It would make my day if you could also follow me on: 🌈 Instagram: 🐦 Twitter: 😊 Facebook: My Filming Gear: Music is from Epidemic sound, and HomageBeats: