The left side of the Tecla Shield

DC Power Port: Use an AC adapter (not included in the purchase of a Tecla Shield) with 2.1mm center-positive barrel plug (9–24V) to charge your Tecla Shield. This is an optional way to charge your Tecla Shield as an AC adapter is a separate purchase.

Micro USB Port: Use a USB cable (included in the purchase of a Tecla Shield) to connect the Shield to a USB port or wall adapter to charge.

On/Off Switch: Turn your Shield off when not in use to conserve the battery.