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Compact black AC adapter brick with detachable power cord and USB port

myVolts

myVolts 36W AC Adapter for Surface Pro 3/4/5

SKU CH-3TBZ-NB56P

A 36W AC adapter with 12V 2.58A output and USB charging port for Surface Pro 3, 4 and 5 2017 models

  • 36 W output charges Surface Pro quickly
  • 12 V 2.58 A matches original Microsoft 1625 24 W 15 V 1.6 A spec
  • USB 5 V 1 A port powers a second device simultaneously
  • 100-240 V 50-60 Hz input works worldwide
  • CE RoHS certified with overload over-voltage and short-circuit protection

36W AC Adapter for Surface Pro

The myVolts 36W AC adapter replaces the Microsoft model 1625 charger for Surface Pro 3 i5 and i7, Surface Pro 4 i5 and i7 and the 2017 Surface Pro 5. It delivers 12V at 2.58A from a 100-240V 50-60Hz supply and includes a detachable power cord. A built-in USB port supplies 5V at 1A so a phone or tablet can charge at the same time. The unit carries CE and RoHS certification with overload, over-voltage and short-circuit protection.

Interface and charging limits

The barrel connector fits only the listed Surface Pro models; it does not fit Surface 3, Surface 2, Surface Pro 1, Surface Pro 2 or Surface RT. The USB port is limited to USB 2.0 speeds and 5V 1A output, so it cannot fast-charge modern phones or power larger tablets. Total adapter output is capped at 36W, meaning the USB port shares power with the laptop when both are connected. No other voltages or connector types are supported.

The 36W power rating decides fit

Microsoft originally shipped 24W 15V 1.6A chargers (models 1735 and 1736) with some Surface Pro units; this 36W 12V 2.58A adapter supplies more current at a lower voltage and is built for the i5 and i7 configurations that need it. If your device requires the original 24W 15V specification, this adapter is not a match. The single specification to verify is whether your Surface Pro model and SKU call for a 12V 2.58A 36W supply.

Highlights

  • 36 W output charges Surface Pro quickly
  • 12 V 2.58 A matches original Microsoft 1625 24 W 15 V 1.6 A spec
  • USB 5 V 1 A port powers a second device simultaneously
  • 100-240 V 50-60 Hz input works worldwide
  • CE RoHS certified with overload over-voltage and short-circuit protection

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 36 W adapter or the 24 W model for my Surface Pro 4 i7?

The 36 W unit delivers 12 V at 2.58 A, while the older 24 W model supplies 15 V at 1.6 A. Your Surface Pro 4 i7 requires the 12 V 2.58 A specification, so choose the 36 W version.

What does the 36 W rating actually give me when the adapter is plugged into my Surface Pro 5?

It provides 12 V at 2.58 A, enough to run the Pro 5 under load and charge the battery at the same time, matching the device's original power requirement.

Does the USB port on this adapter support USB 3.0 or only USB 2.0 speeds?

The built-in USB port is rated for USB 2.0 at 5 V 1 A, so it will charge phones or accessories at standard USB 2.0 rates, not USB 3.0 speeds.

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