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20 hours on a Mac pro? I get 6. I know airs have good battery life but no one I know gets more than 20 on a pro if they're working. What are you doing to get

• trevyn 4y ago
  Screen brightness all the way down. iStat Menus has a thing where you can put the current power draw in watts in the menu bar, and it's easy to run at 4-5W with an M1 Pro while just surfing and text editing. With just a couple spikes for compiling, installing, etc. you can very easily hit close to 20 hours for many coding workflows if that's your goal. I like a bright screen, so I usually get closer to 10 hours, but it charges fast — about 50% in 30 minutes if it's low. (The last 20-30% runs a little slower because battery chemistry.)
• matwood 4y ago
  Depends on what you're doing. Webdev and I can get 10-15 hours on my 16" M1 Max MBP. Java dev is on the lower end. I also use iStatMenus and pay attention to anything using significant power - a runaway browser tab for example.