Woot offers Link2Home 20' Extension Cord Reel with USB, 4 Outlets, 2 USB Ports, 16AWG SJT Cable for $28.99 (orig. $36.99). Free shipping for Prime Members. 

Product Description:
Link2Home Cord Reel 20 ft. Extension Cord 4 Power Outlets, 2 USB Ports, 2.1A Fast Charge with 16 AWG SJT Cable is the perfect power solution for your home, garage, backyard, tiny spaces, urban living, or office. Tangle free cord management helps cords stay organized and tidy for next use. Extension cord reel features easy grip handle for smooth rewind.  Compact design enables easy storage for when not in use. Lightweight with handle design. 

• TANGLE FREE CORD MANAGEMENT: Stay organized. Extension cord easily winds into the reel keeping cords neat and tidy for next use. 
• BUILT IN CIRCUIT BREAKER:  Circuit breaker will automatically go off when the rated current or voltage is exceeded to protect devices from damage
• HEAVY DUTY POWER: 4 Grounded outlets, 2 USB Ports and durable 20 ft. 16AWG cable help connect small appliances, devices, electrical tools found throughout the home, office, garage, backyard, etc.
• COMPACT AND EASY TO CARRY: Unique handle design enables easy transport and compact storage
• POWER REEL: ETL certified. 20 ft. cord reel. 16AWG SJT cable.  (3) 120V outlets. 2 USB ports.  2.1A fast charge. ON/OFF switch.