Add the eFire Base and Mid Layer Battery to your gear bag to keep your electric heated KLIM eFire layers powered up.

FULL SPECS

• USB-C rechargeable
• Li-ion Battery
• Capacity: 7.4V 2250mAh 16.65Wh
• LED battery level indicator
• Integrated thermal and short circuit protection
• Visit KLIM.com for eFire heated gear compatibility