Following an initial announcement in September, Motorola has been teasing the Signature 27 for a while now, having already confirmed Bang & Olufsen audio and shown it off in a hands-on promo video. Today, the successor to the original Signature is finally fully official, and the battery size is no longer a mystery: it's 7,000 mAh, which is 35% larger than the predecessor's.[#InlinePriceWidget,14955,1#]The Signature 27 comes with a 6.78-inch 1.5K "Extreme AMOLED Duo" screen, which uses a tandem panel with two emissive layers, along with a 120Hz refresh rate and 12,000 nits of peak...