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The smaller Cauldryn battery will keep your drink at the perfect temperature for over 10 hours, but what if you need more? This Cauldryn battery can be used to upgrade standard FYRE and COFFEE models to a larger battery capacity and serves as a spare battery for any model.
As a bonus, the battery has two USB ports for charging your other electronic devices.
CHARGING CABLE NOT INCLUDED.
Technical Specifications:Weight: 1.3 lbsBattery Chemistry: Lithium-ionCapacity: 75.5 WhUSB Ports: 2Height: 4.125 inDiameter: 3.125 inUSB Output: 1 receptacle 5V @ 2.1A, and 1 receptacle 5V @ 1A Color: BlackModel Number: MB1