DELL 451-BBUN 62WHr 4-Cell laptop battery
- Lithium-Ion
- Notebook
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120W USB-C charger with 6.6ft cable powers MacBook Pro, Air, iPad Pro and other Type-C devices at up to 96% efficiency
This 120W USB-C adapter delivers up to 96% charging efficiency for compatible MacBook Pro and Air models from 13 to 16 inches, iPad Pro and Air tablets, Galaxy devices and other USB-C hardware. It automatically identifies the connected device and supplies the most efficient output current from a range that includes 120W, 100W, 87W, 61W, 30W and 29W profiles. A 6.6ft cable is included in the box.
The foldable plug protects screens from scratches during transport and makes the adapter more compact for travel. The supplied cable uses thicker copper wire rated for 20,000 bend cycles, supporting efficient power transmission and long-lasting durability. No driver installation is required; the charger negotiates the correct voltage automatically. The only common issue is attempting to draw more power than a specific device or cable can accept.
Output is constrained by the USB-C Power Delivery handshake between adapter and device, so maximum speed depends on the host's supported profiles. The adapter cannot force a higher wattage than the laptop or phone requests, and it will not charge devices that lack USB-C charging support. Buyers who need proprietary barrel-connector charging or voltages outside the standard PD range cannot use this unit.
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
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The MacBook battery menu will show the adapter wattage; it should read 120W when the 6.6ft cable is connected and the foldable plug is fully seated.
No extra purchase is needed; the supplied USB-C cable works directly with the iPad Pro 12.9 and every other listed USB-C device.
The 120W unit automatically negotiates down to the Air's maximum supported rate, so it charges the MacBook Air 13 M2 safely without a separate lower-wattage adapter.
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