Apple Watch Ultra 3 battery life gets massive boost

Apple Watch Ultra 3 will tell you the time — and a slew of other information — for eight more hours than the Ultra 2, according to Apple.

The Ultra 3 has up to 42 hours of battery life, up from 36 hours that the Ultra 2 was capable of. In Low Power Mode, the Ultra 3 can last up to 72 hours. According to Apple, during Tuesday's event, this is the longest battery life of any Apple Watch.

The 42 hour (and 72 in Low Power Mode) stands when users are training, racing, or going about their day, Apple stated in its Apple Watch Ultra 3 announcement. For those exercising outdoors for long periods of time, Ultra 3 will last for 20 hours of life in Low Power Mode with full GPS and heart rate readings.

Ultra 3 also boasts fast charging: 15 minutes will product 12 hours of battery life.

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