The Apple Watch has never been known for having long battery life. Case in point: Apple never budged from the 18-hour battery life estimate until it launched the Apple Watch Ultra. But with watchOS 9, the company has introduced a new Low Power Mode to help extend the time between charges.
Previously, the Apple Watch had a Power Reserve mode, which shut off any functions aside from your ability to tell time and turned your smartwatch into a “dumb” one until you could get it onto a…
