Lumia 920 charging options

I was just reading somewhere about the Nokia Lumia 920 charging options. I have never heard of being able to charge a phone battery via a wireless connection. Is this a reliable option?

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If by reliable you mean does it work, then yes. There are wireless chargers like this one available: Amazon.com: Anker Qi-Enabled Single-Position Wireless Charger with Direct Charge to Nokia Lumia 920; LG Nexus 4, Optimus Vu2; HTC 8X, HTC Droid DNA, and more - White: Cell Phones & Accessories

I was also confused trying to figure out how that works but yes you can charge without wire. And the best thing with this is that it extends battery life.