DELL 451-BBUN 62WHr 4-Cell laptop battery
- Lithium-Ion
- Notebook
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65 W charger with USB port powers Surface Pro, Laptop, Book and Go models through a 10 ft cable
This 65W AC adapter powers Microsoft Surface Pro and Surface Laptop models through a magnetic charging head that snaps securely to the port. An additional USB-A port supplies 5V at 1A for charging a phone or accessory simultaneously. The 10FT cable length gives extra reach between the wall outlet and the device. It suits owners of compatible Surface tablets and laptops who need a replacement or spare power supply.
The unit replaces an original 65W Surface charger that has been lost, damaged or left at another location. The jump is worth it when the existing adapter no longer delivers the full 15V 4A output or when the cable has frayed near the connector. It also covers devices that originally shipped with a 44W charger, providing higher available power for faster charging under load. Buyers who need more than 65W or a USB-C Power Delivery port cannot be served by this adapter.
The charger uses Microsoft's proprietary magnetic connector, so it cannot charge devices that rely solely on USB-C or barrel-jack inputs. The additional USB port is limited to 5W, which is too slow for modern phone fast-charging standards. Input voltage is rated 100-240V at 50/60 Hz, making it usable worldwide with a suitable plug adapter, but the fixed cable means the AC plug type cannot be changed. Users requiring a detachable IEC lead or a higher-output USB port must look elsewhere.
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
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The cable is 10 ft long, giving plenty of reach between the wall outlet and your Surface device.
Let the flexible charging head snap into the Surface port on its own; forcing it can bend the pins and break the connection.
Replace the extra USB-A cable if the 5 V 1 A output becomes intermittent or the connector feels loose, as wear there will not affect the main 15 V 4 A supply.
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