Today only, 11-21-17, you can save 25% on Lumina Power Banks at Amazon.com. Starting at only $12.74, these feature a strong and durable polycarbonate shell for a compact drop resistant body. You’ll get the fastest charge, every time because intelligent microprocessors detect the ideal voltage and amperage to deliver to your device for the quickest charge. High powered 5,200 mAH capacity with one USB output: 5V 2A offers backup power for your devices while out of the house. Comes with a Lifetime Warranty. Orders $25.00 or more ship FREE!