Hestan Cue cookware which include a smart capsule "end cap" require a AAA battery to power. A brand new battery can power the cookware for several months with normal usage. 

To insert or replace a battery:

  1. Use your hand to twist off the smart capsule "end cap" until it is completely removed.
  2. Insert a AAA battery with the "negative" end (−) going in first. The positive end (+) should be facing the capsule "end cap."
  3. Replace the capsule end cap and hand tighten until it locks into place.