POWER BACKUP TO STAY ON THE JOB: USB adapter charges phones and tablets on the job or anywhere COMPATIBLE AND VERSATILE: Works with Bosch 18V Li-ion batteries to deliver power to any 5V USB or 12V DC device(s) DUAL USB CHARGING: Charges two devices simultaneously, 2.4 Amps per outlet HEATED-WORKWEAR COMPATIBLE PORT: Stay warm during long, cold days METAL BELT CLIP: Provides additional user convenience SLEEP MODE: Helps prevent overcharging POWER ON BUTTON: Activate power and charging