The most important component of anysmartphoneis the battery. A phone with a kaput battery is like a car with an empty gas tank. It may look good on the outside, but on the inside, all the cool features in the world are useless without its source of power. If you have an iPhone, you must constantly check what’s called Battery Health to ensure it doesn’t dip below a certain level. If it does, you’ll end up with charging issues and the eventual need to have the battery replaced. Here’s how to check your iPhone’s battery health and what it all means.Read more: Is your iPhone battery draining too fast?QUICK ANSWERThe iPhone’s Battery Health section displays important key information about your battery’s capacity, peak performance, and whether or not your battery needs to be serviced. You can locate it at Settings > Battery.What is Battery Health on an iPhone?Battery Health is a section in your iPhone settings that tells you how healthy the battery is, compared to when the phone was brand new. New iPhones obviously start off with a brand-new 100% healthy battery. Over time, as the iPhone is used and various features are enabled and disabled, the battery’s overall health and performance will start to decline. However, as long as the battery remains at 80% or higher, Apple still considers that to be an optimal peak level.How to check your iPhone’s battery healthGo to Settings > Battery > Battery Health & Charging.Here, you will see the Maximum Capacity, which is the maximum charge the phone can hold. Mine is 100% as it’s a new phone. It shouldn’t go below 80%; otherwise, you will begin to experience charging issues.You should always enable Optimized Battery Charging. This ensures that the phone is not charged right up to 100%, which will impact the battery faster.If you go back a screen (Settings > Battery), scroll down to see the performance of the battery since you last charged it. It will tell you the last time the battery was fully charged and what has been eating away at that charge since then You can view how much battery charge each app has been using, with the worst offenders at the top.So if you’re experiencing battery issues, maybe try uninstalling or offloading the really big battery suckers. That Sudoku game at 38% of the battery charge really needs to come off.Once the battery dips below 80%, you will gradually start to experience charging problems with the iPhone, and that battery percentage will begin dropping faster than usual. At this point, you should seriously consider getting thebattery changedor even getting a new phone if your current one can’t hold a charge for very long.