What's the maximum charging speed for the Apple iPad Air 11-inch with the Anker Prime 100W Charger?

Up to 20W via USB PD, assuming you're using an adequately rated cable.

Do I need a special cable for this combination?

Any standard USB-C cable rated 3A or higher works fine — no special "e-marked" cable needed at 20W.

Not among the chargers we recommend for it — the Anker Prime 100W Charger already delivers the Apple iPad Air 11-inch's full 20W ceiling.

Yes — this combination fast-charges at up to 20W via USB PD.

Both sides speak USB PD, and the Anker Prime 100W Charger delivers enough power for the Apple iPad Air 11-inch to hit its full 20W ceiling.

Device	Apple iPad Air 11-inch (M2)
Charger	Anker Prime 100W Charger (2-Port USB-C, 1-Port USB-A)
Negotiated wattage	20W
Protocol	USB PD
Match quality	Full speed

The wattage above assumes an adequately rated cable. Here's what actually happens with three common cable situations:

Cable	Real wattage	Cable-limited?
Standard 60W-rated cable (3A, not e-marked)	20W	Not the bottleneck
100W / 5A e-marked cable	20W	Not the bottleneck
Unrated / unknown cable (assume worst case)	20W	Cable-limited

What's the maximum charging speed for the Apple iPad Air 11-inch with the Anker Prime 100W Charger?: Up to 20W via USB PD, assuming you're using an adequately rated cable.
Do I need a special cable for this combination?: Any standard USB-C cable rated 3A or higher works fine — no special "e-marked" cable needed at 20W.
Is there a faster charger for the Apple iPad Air 11-inch?: Not among the chargers we recommend for it — the Anker Prime 100W Charger already delivers the Apple iPad Air 11-inch's full 20W ceiling.

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