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That article's geared toward the 12" MacBook, which uses a 29W power brick. MacBook Pro is either 61W (13") or 87W (15"). I'm not sure that any of these are up
by wlesieutre 10y ago
That article's geared toward the 12" MacBook, which uses a 29W power brick. MacBook Pro is either 61W (13") or 87W (15"). I'm not sure that any of these are up to the task yet.
Granted you don't need to match the power brick unless you want to run the computer at full load while also charging its battery, but I don't know what the requirement is for the computer's max steady-state power draw.
Going to wait for a similar article written for the MBP.
EDIT: Added benefit, they're generic USB batteries and will charge your phone, tablet, eReader, headphones, and whatever else you've got. All things considered, I prefer this scenario to the directly replacable laptop battery, since you no longer have to use the laptop as a passthrough to charge other USB things.