3 ms·Get an Apple Watch, it has cellularby blackflame7000 7y agoGet an Apple Watch, it has cellularmehrdadn 7y agoHow long does the battery last?p2t2p 7y agoOn cellular, without exercise tracking it’ll last for about 10 to 12 hours without a phone, provided it is fully charged in the beginning. That’s my anecdotal experience