![]() Why Limit the Battery Charge on MacBook?Īs mentioned, charging or discharging to the extremes stresses and degrades the li-ion battery. Hence, pushing it to charge from 80 to 100 will cause faster aging. It will reduce its charge holding capacity and may even cause it to swell in the long term. So, if you prefer keeping the MacBook plugged in all the time for convenience, it would be a better option to limit the charging to between 65 to 80 percent using the methods given below. Method 1- Limit MacBook Charging Using AlDenteĪlDente is a popular application that limits the maximum charge level on Mac. These third-party apps can do so by modifying the “Battery Charge Level Max” (BCLM) parameter in the SMC. Open the dmg file and drag it into Applications.ģ. You can also open it from the Launchpad.Ĥ. Tap Open when the “Are you sure you want to open it?” warning appears.ĥ. The app will now prompt you to install a Helper tool to control MacBook’s charging behavior.Ħ. Then, enter your MacBook password and tap Install Helper.ħ. Next, go to System Preferences > Battery > Battery on your Mac.Ĩ. ![]() Here, uncheck the box for Optimized Battery Charging and click Turn Off.ĩ. AlDente will now appear in the menu bar at the top. Set the percent you want to limit your charge at. ![]() Here, we’ve set it to stop the MacBook from charging at 80 percent automatically. Once it reaches the set percentage, the MacBook will say “Battery is Not Charging” and stay at that particular level. ![]() You can explore other options in tweak in AlDente settings. However, most of them require the Pro version. You can turn on or off AlDente anytime by clicking the Power icon in the app settings.ĭownload AlDente Method 2- Using BatteryStatusShowīatteryStatusShow is a similar charge limiting application. However, it comes in a portable version, meaning you don’t have to install it. All you need to do is open the downloaded app, make the changes, and you’re ready to go.ġ. Download BatteryStatusShow using the link below.Ģ. It's a more drastic measure than the Battery Health Management macOS feature, but it could be a smart move in the long run.Click the downloaded BatteryStatusShow.app to open the app.ģ. May keep your battery in good shape for longerīottom line: if you want to keep your MacBook going for years down the line, AlDente should help, at least as far as the battery is concerned. 80% is generally recommended, but you can set any other value you prefer. The app will then run at login automatically and prevent your device from being charged past that percentage. AlDente works by writing that value to your laptop's SMC (System Management Controller). From here, you can set the upper limit your MacBook's battery will be charged to. Set a preferred maximum charge levelĪfter running the app, you will find it in your menu bar. It tries to take your usage and charging patterns into account, which is understandable, as Apple can't just limit battery capacity across the board. The macOS Battery Health Management feature is meant to help with this, but it doesn't simply set a cap on the charge level. While it's not too difficult to prevent your laptop from dropping below 30% charge, keeping an eye on it while it charges to stop it from getting to 100% isn't really feasible. The Lithium-ion battery in your MacBook will degrade the least when operating between 30 and 80 percent of its maximum charge level. This should help keep your battery in good shape for longer, and it's something you can't easily do by yourself. Given how difficult and expensive it is to replace a battery on an Apple device, it's understandable why people try to keep them going for as long as possible.ĪlDente was designed to help users maximize battery lifespan by preventing it from charging all the way to 100%.
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