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Do wireless chargers' power output depend on the power adapter?

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Default Do wireless chargers' power output depend on the power adapter?

I want to buy a wireless charger to use with my Nexus 5 / Nexus 7. When I read the specs of each wireless charger they show a different current output, but they don't come with a power adapter to plug into the wall. If I were to use the power adapter that came with my phone / tablet would it be out putting the equivalent amount of power (not taking account power loss from wireless charging)? Or would they only output the amount of power as listed in the specs? Thanks!

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Electric current in the spec means maximum current the adapter can provide. How much your phone will take depends on charging circuit and the battery (more precisely on its electrical resistance). Higher current limit means faster charging (but also more heat produced).
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