Merge pull request #1529 from MicrosoftDocs/hololens-charger

Hololens charger details

devices/hololens/hololens1-hardware.md

@@ -48,6 +48,14 @@ The HoloLens box contains the following items:
 >[!TIP]
 >The [clicker](hololens1-clicker.md) ships with HoloLens (1st Gen), in a separate box.
 
+### Power Supply details
+
+The power supply and the USB cable that come with the device are the best supported mechanism for charging. The power supply is an 18W charger.  It supplies 9V at 2A.
+
+Charging rate and speed may vary depending on the environment in which the device is running.
+
+In order to maintain/advance Internal Battery Charge Percentage while the device is on, it must be connected minimum to a 15W charger.
+
 ## Device specifications
 
 ### Display

devices/hololens/hololens1-setup.md

@@ -7,7 +7,7 @@ author: JesseMcCulloch
 ms.author: jemccull
 ms.topic: article
 ms.localizationpriority: high
-ms.date: 8/12/19
+ms.date: 8/12/2019
 ms.reviewer: 
 manager: jarrettr
 appliesto:
@@ -29,6 +29,10 @@ When your HoloLens is on, the battery indicator shows the battery level in incre
 > [!TIP]
 > To get an estimate of your current battery level, say "Hey Cortana, how much battery do I have left?"
 
+The power supply and USB cable that come with the device are the best way to charge your HoloLens (1st gen).  The power supply provides 18W of power (9V 2A).
+
+Charging rate and speed may vary depending on the environment in which the device is running.
+
 ## Adjust fit
 
 > [!VIDEO https://www.microsoft.com/videoplayer/embed/be3cb527-f2f1-4f85-b4f7-a34fbaba980d]

devices/hololens/hololens2-hardware.md

@@ -35,6 +35,14 @@ Microsoft HoloLens 2 is an untethered holographic computer.  It refines the holo
 - **Power supply**. Plugs into a power outlet.
 - **Microfiber cloth**. Use to clean your HoloLens visor.
 
+### Power Supply details
+
+The power supply and the USB cable that come with the device are the best supported mechanism for charging. The power supply is an 18W charger.  It's supplies 9V at 2A.
+
+Charging rate and speed may vary depending on the environment in which the device is running.
+
+In order to maintain/advance Internal Battery Charge Percentage while the device is on, it must be connected minimum to a 15W charger.
+
 ## Device specifications
 
 ### Display
@@ -83,6 +91,7 @@ Microsoft HoloLens 2 is an untethered holographic computer.  It refines the holo
 | Battery technology | [Lithium batteries](https://www.microsoft.com/download/details.aspx?id=43388) |
 | Charging behavior | Fully functional when charging |
 | Cooling type | Passively cooled (no fans) |
+| Power draw | In order to maintain/advance Internal Battery Charge Percentage while the device is on, it must be connected minimum to a 15W charger. |
 
 ### Fit
 

devices/hololens/hololens2-setup.md

@@ -21,7 +21,9 @@ The procedures below will help you set up a HoloLens 2 for the first time.
 
 ## Charge your HoloLens
 
-Connect the power supply to the charging port by using the USB-C cable (included). Plug the power supply into a power outlet.
+Connect the power supply to the charging port by using the USB-C cable (included). Plug the power supply into a power outlet. The power supply and USB-C-to-C cable that come with the device are the best way to charge your HoloLens 2. The charger supplies 18W of power (9V at 2A).
+
+Charging rate and speed may vary depending on the environment in which the device is running.
 
 - When the device is charging, the battery indicator lights up to indicate the current level of charge.  The last light will fade in and out to indicate active charging.
 - When your HoloLens is on, the battery indicator displays the battery level in increments.