Below are the Gerbing instructions you requested.  Hope this helps!

HOW TO POWER YOUR HEATED GEAR

Battery/Power Outlet

All garments come with a 7v Lithium Ion rechargeable battery and wall charger.

Additional 7v batteries can be purchased separately. Total battery weight: 4 ounces.

Each Battery has 4 settings and is indicated on the battery by a set of red lights:

  • 100% (4 red lights)
  • 75% (3 red lights)
  • 50% (2 red lights)
  • 25% (1 red lights)

The 7v battery holds anywhere from 2­8 hours of heat, depending on the setting.

  • 2 hours at 100%
  • 3 hours at 75%
  • 5 hours at 50%
  • 8 hours at 25%

Operation

  • Step 1: Power on by pressing and HOLDING (2-4 seconds) power button
  • Step 2: To change temperature, press and hold power button until LED light reflects desired setting. *Power level setting can only be indicated when connected to garment.
  • Step 3: Check remaining battery life by disconnecting battery from product. Press and hold power button, LED indicator will show 1­4 LED lights to indicate remaining power (4 lights is full power).

Charging Battery

  • We recommend charging overnight for first charge.
  • Charge 100% before use (a full charge takes about 3-4 hours).
  • A red light will appear on wall charger when charging. If light does not change or turn on, it may still be charging, so please test the battery in product after 3-4 hours.
  • Maintain at least 25% power when battery is not in use.

Instructions for Silicone Switches

  • Step 1: Plug in fully charged battery.
  • Step 2: Switch will cycle through settings, this indicates switch has power and can now be used.
  • Step 3: To power on, push and hold down button for 2­3 seconds until the switch illuminates.
  • Step 4: To change power setting, tap button to cycle through levels.

○Low = Green ○Medium = Yellow ○High = Red

  • Step 5: To power off, push and hold down button until light goes out.