At 50 hours of normal use on a single charge and 84 hours in low power mode, the new Apple Watch Ultra 4's battery life is eye-popping, but nothing lasts forever.
Whether it's an iPhone, iPad or Apple Watch, any device's lithium-ion batteries get weaker as they age. This leads to less time between charging sessions, less overall battery capacity and generally worse performance.
Although Apple says every model starting from the Series 5, SE and Ultra has software that reduces the risk of poor performance in these cases, you should still keep an eye on your battery health. So whether you ultimately decide to replace it or buy a whole new watch, these are the steps you need to take to check the health of your battery.
Checking your Apple Watch's battery status is simple. Go to Settings > Battery > Battery Health. Here, you can activate optimized battery charging and learn about your maximum battery capacity. A lower capacity will likely lead to fewer hours of use before you need to charge it. Similar to an iPhone, making a trip to the Genius Bar might be needed once the Apple Watch battery's max capacity dips below 80%.
Luckily, if you don't keep a close eye on it in the settings menu, you will still get an alert letting…
