9 wireless phone chargers on sale right now for no good reason

Cords are *so* 1882. No, literally — that's the year Thomas Edison invented the first known power distribution system. (The more you know.) 

With recent developments in Qi technology, which uses electromagnetic induction to transfer energy, supported smartphones can now be charged wirelessly. No longer must our precious devices be tethered down by cords; these days, you can just place your phone on a wireless charging mat or pad to give it a thorough juicing-up. (Of course, you do have to plug in the charger itself.)

If you're in the market for a new charger that'll work with your Qi-compatible device, well, lucky you: You have the luxury of choosing from lots of different models. Despite it not being Black Friday or President's Day or any other holiday that typically brings about massive sales, these chargers are all currently discounted. Plus, you can lower their prices 15% further by entering the code SEMIANNUAL at checkout.  Read more...