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And you thought water bottles couldn't get any cooler! Cauldryn Fire is the innovative mug that comes with its own heating element that gives you complete temperature control over water or other beverages. Between the heating element and the mobile battery, Cauldryn lets you enjoy hot coffee on the trail in just minutes or stay hydrated with cold water.

Successfully funded on Indiegogo
"... the future of water bottles." Digital Trends

  • Fyre heating element has five heating modes for boiling water, brewing coffee or keeping your hot chocolate hot
  • Vacuum insulation allows cold beverages to stay cold or hot beverages to stay hot for long periods of time
  • Innovative lid has two drink openings to sip hot beverages or pour cold ones
  • Mobile battery packs enough power to keep beverages hot all day long


  • Materials: stainless steel, plastic
    • Five heating modes
    • Boil: 212º
    • Brew: 195-205º
    • Extra hot: 160-170º
    • Hot: 125-135º or 135-145º
  • Battery life is dependent on what features are being used and environmental conditions
  • Volume: 16 oz
  • Weight: 36.8 oz with battery


  • Cauldryn Mug with Fyre Heating Element
  • Mobile battery
  • AC base
  • AC adapter
  • Sip or pour lid
  • Manual


  • Ships to Contiguous US
  • Expected Delivery: May 25 - May 28


  • Returns accepted within 30 days of shipment for orders within the Contiguous US.