how many watts does it take to charge a macbook pro?
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The charger that comes with the Macbook (60-65 watts) actually works with the MacBook Pro. Only during especially processor-intensive tasks does the MacBook Pro require all 85 watts.
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Apple explicitly approves of using its chargers across all devices that accept Lightning cables. ... If you have an iPad Pro, and you charge it with the 29-watt MacBook USB-C charger, it'll fuel up in half the time compared to the iPad's included 12-watt charger.
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Input, output, doesn't really matter as long as you are comparing same side thing on both chargers. Since you need charger of certain voltage for the laptop to work, your output voltage is set. If you use charger with less than specified Current rating (Amps) you end up with less than specified power to laptop.
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An iPhone charger delivers 5 Watts (5 volts at 1000 mA). A Retina iPad mini charger delivers 10 watts (5.1 volts at 2100 mA).
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4 Answers. The way Apple power adapters are designed is that you can use any charger on any laptop that has the same, or lower, power rating. For example, you can safely use an 85W power adapter (for MacBook Pro) on a MacBook Air (which requires only 45W) or MacBook (which requires 65W).
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['5200 mAh capacity.', 'Good for 2 iPhone 7 charges, 1.5 iPhone 7 Plus charges and 1.3 Samsung Galaxy S7 & Note 5 charges.', 'USB output to charge most smartphones and electronic devices.']
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Up to 4.5 hours for a full recharge from the supplied 10-watt charger and USB cable. Not all computer USB ports supply enough power to recharge the iPad, and if that is the case, you'll see 'Not Charging' where the battery icon appears.
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The Apple Thunderbolt 3 to Thunderbolt 2 adapter only works with Thunderbolt devices and computers. This does not include USB-C only devices. The MacBookPro 2015 has USB 3.0 ports that work up to 5 Gbps. ... Some Thunderbolt 3 docks also have one or more additional USB 3.1 gen 2 ports.
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Elgato Thunderbolt™ 3 Dock enables you to connect everything to your computer at once. Use only one cable to drive dual displays, network at full speed, charge your MacBook Pro and more – and harness the full potential of USB-C.
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Charging speed: For our top picks, we focused on chargers that provide fast charging to most phones. The Qi 1.2 standard supports charging speeds of up to 15 watts (9 volts/1.67 amps), but 7.5 W and 10 W chargers are more common right now.
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Apple's power rating for its Lightning cable is 5 Volts DC carrying 1.8 Amps of current equaling 9 Watts of power.
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Typically, a wall adapter or portable charger has to output at least 29-watts or 31-watts to give a laptop more power than it consumes by just being on. This, of course, will vary depending on how intensive your power consumption is.
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Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. Release all the keys and the power button at the same time.
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The Lightning cable that ships with the iPad Pro, however, is limited to a load of 12 watts, and it features a full-size USB Type-A 2.0 port on the opposite end, not a USB-C connector. Currently, there is no way to directly charge an iPad Pro with Apple's 29-watt MacBook power adapter.
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According to a survey, Type-C port can be used to input or output power, while micro USB can only input power. USB Type-C port has a fast charging speed for phones at 18 Watts and can charge laptops with a maximum of 100 Watts. However, the charging speed of micro USB only has a regular charging speed level on USB-A.
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In any case, laptop chargers all have a maximum wattage (power) they can output at any point in time, and it usually hovers around the 60–90W. However, what your laptop consumes will (usually) be much lower than that depending on several factors. Notably: If the internal battery is also charging.
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USB-C is a USB standard that supports power, data transfer, and video output simultaneously. If your portable Mac has one or more USB-C ports, you can connect it to a USB-C power adapter to charge your Mac.