As one of its daily deals, Woot offers the Innergie mCube Pro 70-watt Universal Adapter for $14.99 or the Innergie mCube Slim 95-watt Universal Adapter for $19.99. With $5 for shipping, that's the lowest total price we could find for either adapter by at least $9. The 95-watt device includes nine tips and the 70-watt adapter comes with 10 tips, allowing you to charge a wide array of laptops between 15 and 21 volts. Deal ends today.