When charging your Apple Watch, you can use official Apple Watch chargers or third-party chargers that are certified by Apple as MFi (Made for iPhone/iPad/Apple Watch) accessories. These chargers like Anker chargers for Apple products have been rigorously tested and approved by Apple to ensure safe and efficient charging and no harm to battery life and overall performance. Remember never to use non-certified or unofficial chargers which may pose risks such as overheating, damage to the device, or even safety hazards.