Sunvalley Brands via Amazon offers the RavPower 27,000mAh Portable Power Bank for $129.99. Coupon code "SKTVKRAF" cuts it to $99.99. Plus, free shipping applies. This 100-watt charger features two iSmart USB outlets, a USB-C outlet, and a 3-prong outlet which can power devices drawing up to 70 watts of power. Deal ends January 31.