The Razer Orochi V2 is a battery-operated mouse using either a AA or AAA battery. Do not attempt to fit 2 batteries into the Razer Orochi V2 as it is designed to work with only one battery at a time
- Remove the top cover of the mouse and insert the AA battery as indicated in the battery compartment.

Caution: The included AA battery is non-rechargeable. You may also use a AAA battery (not included) if preferred. Do not simultaneously use AA and AAA batteries; only one (1) battery is required to use the mouse. Dispose of batteries in accordance with your local environmental laws. For your safety, use only lithium or alkaline batteries.
- Reattach the top cover onto the mouse and make sure that it is tightly secured.
