Makes a Great Gift. Amazon has the Kmashi Victor K1 5000mAh Portable Power Bank for a low $7.79 after Coupon Code: "SDQBZU8J" (Exp Soon). Free Shipping on orders $35+ or Free 2 Day Shipping (No Minimum) with Prime Membership. Tax in many states. This capacity charger normally sells for $15, so you're saving about 50% off the normal price. 5000mAh capacity is enough to recharge most smartphones about two times Stylish, pocket-sized, ultra-compact design 5V/2.1A output and 5V/2A input Detects your device to deliver its fastest possible charge speed up to 2A. Constructed using Grade A cell to ensure the highest quality and safety Throw one in your bag/purse and never be left without power again 1 year warranty and customer service