Battery life has come a long way since the original Apple Watch (which I had to charge every night). With the Series 2 I only use about 15-20% of the battery du

Battery life has come a long way since the original Apple Watch (which I had to charge every night). With the Series 2 I only use about 15-20% of the battery during the day and can charge it back up to 100% in the time between getting into bed and going to sleep.