Add battery charging instructions

Author: hbradio

content/start/charge_battery.md

@@ -0,0 +1,17 @@
+---
+title: "Charge Battery"
+date: 2000-08-28T15:45:28-04:00
+draft: false
+weight: 15
+---
+
+Your Rover is powered by the same kind of battery you'd use to charge your phone.
+It doesn't come with very much charge, so first thing let's get it charging.
+
+1. Find your battery in its box.
+
+1. Take out the battery and the USB cable.
+
+1. Charge the battery by connecting the large end of the USB cable to your laptop and the small (micro-USB) end to the battery.
+
+![Battery box](/images/start/BatteryBox.jpg "Battery in its box")