OnePlus Watch 3 Review: The Best Battery Life of Any Android Smartwatch

In my ten plus years of testing smartwatches, I've never had to actively try to drain a battery. That changed when I strapped on the $330 OnePlus Watch 3. Five days into my battery test, after charging it to 100%, this watch was still going strong; tracking my sleep, runs and vitals without missing a beat. I'll admit that the Watch 3 didn't make the most favorable first impression, with its clearly masculine design and oversized screen that practically swallowed up my normal-sized wrist. I half-expected to write it off as just another mid-range smartwatch destined to collect dust in a drawer. But it turns out, I'm willing to overlook a few things like the size and lack of ECG functionality for exceptional battery life. 8.5 / 10 SCORE OnePlus Watch 3 $330 at Oneplus Pros 5-day battery life with all features enabled Sleek comfortable design Customizable buttons as shortcuts Advanced metrics for select sports modes Cons Single size option is too large for small wrists Only two years ... Read full article.