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Results tagged with power
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user 9495
The electricity drained by a device
7
votes
Accepted
85W MagSafe adapter only delivers 77W?
Given that a laptop power adapter will likely be more efficient (as it is smaller, uses less power, will therefore run cooler, and require less active cooling in terms of fans etc etc), then it wouldn't … may well be more useful to know the exterior power rating rather than the internal delivery rating. …
- 25.7k
23
votes
What would happen if I use a power supply with a different wattage than the system is design...
You have 2 scenarios as I see it:
1) Using a higher rated power supply than the original unit.
This is absolutely fine. … The same rules apply, it will draw the power that it needs, and no more. Assuming you use a MBP on a MBA charger, then light use will likely never draw enough power to max out the charger. …
- 25.7k