Microsoft has announced DC-32 5200 mAh, DC-33 9000 mAh and DC-34 12000 mAh portable power banks. These have dual USB ports to charge two devices at a time. These power banks can hold their charge for months at a time and still have up to 80% capacity after several months, says the company. Continue reading “Microsoft introduces 5200 mAh, 9000 mAh, and 12000 mAh power banks”