Stack Social has the BOLT Portable Battery & Wall Charger for $44.99 (60 -25% off) with Free Shipping for a limited time.

Use BOLT as your standard wall charger, and then keep on charging as you head out the door. When you need a boost later the super compact BOLT can refresh your power anywhere, anytime. It features foldable prongs tuck away to stay compact, status indicator LEDs, 3000mAh battery, and a smart charge technology that automatically bypasses the battery when fully charged.