Even though some of these tips can improve your MacBook Pro battery life in the long term — and a hidden setting can even help your old MacBook battery health last longer — the rest are basically focused on your everyday usage, meaning you can start seeing an impact on your battery life now. The MacBook Pro is made to handle multiple tasks at the same time, so you shouldnt have to kill extra apps and use just one at a time. However, it always useful to keep an eye on the battery icon in the...