• To remove the battery door (K), push down on the two ovals (L) with your thumbs and slide the battery door back.

  • Disconnect the small white battery plug, and remove the battery.

  • Insert a new battery and reconnect the battery plug.

  • Replace the battery door securely on the device.

  • The DermLite II Pro uses a special lithium-ion battery, which can only be purchased from 3Gen or from an authorized 3Gen dealer.

Caution: Do not under any circumstances use another battery other than the one designed for this unit. Doing so could result in damage to the unit.