updates on battery

Author: g-castronovo

content/hardware/08.edu/solution-and-kits/alvik/tutorials/getting-started-mblock/assets/Alvik-battery-pull-tab.jpg

@@ -18,6 +18,10 @@ When unboxing Alvik, you should find the following items:
 - Alvik robot
 - USB-C® cable (located under the cardboard tray)
 
+Alvik's battery is protected by a pull-tab protective sticker. Remove the sticker to start working with the robot.
+
+![Alvik pull tab](assets/Alvik-battery-pull-tab.jpg)
+
 ## Update Firmware with Alvik Updater
 
 Updating the firmware on your Alvik ensures it has the latest features, bug fixes, and performance improvements. Regular updates help maintain compatibility with the mBlock software and ensure optimal performance of your robot.

content/hardware/08.edu/solution-and-kits/alvik/tutorials/getting-started-mblock/getting-started-mblock.md

@@ -28,6 +28,14 @@ Keeping your Alvik’s firmware updated ensures it has the latest features, bug
 
 ## Checking The State Of The Battery
 
+Alvik's battery is protected by a pull-tab protective sticker. Remove the sticker to start working with the robot.
+
+![Alvik pull tab](assets/Alvik-battery-pull-tab.jpg)
+
+**Step 1**: Locate the **pull-tab protective sticker** on the bottom of the robot, near the battery compartment. Grasp the tab and pull it upward firmly to remove the insulator and enable the battery connection.
+
+**Step 2**: After the pull-tab is removed, turn the robot over and slide the power button to ensure it powers on.
+
 Once the firmware of your Alvik is up to date and before start playing with it, let's verify your battery works as it should by following these steps:
 
 1. Reset your Alvik by turning it OFF and disconnecting it from the PC.
@@ -45,7 +53,7 @@ Once the firmware of your Alvik is up to date and before start playing with it,
 
 - **No lights** 
   ![Faulty battery](assets/faulty_battery.gif)
-  The battery may be faulty. To check it, turn Alvik ON; if an orange light near the QWIIC connector blinks every 10 seconds, contact our customer support for a replacement.
+  The battery may be faulty. To check it, turn Alvik ON; if an orange light near the QWIIC connector blinks every 10 seconds, contact our customer support for a replacement. A user-uploaded sketch will not run unless Alvik has a charged battery. If the battery is low, the sketch will halt its execution at the initialization phase.
 
 ## Unboxing Alvik