Today Lenovo is introducing two new convertible Windows 10 PCs, the YOGA 51o and the YOGA 710, along with the affordable ideapad MIIX 310 a 2-in-1 detachable tablet. All of the new devices sport better battery life, versatility, and portability. YOGA 510 14″ and 15″ The YOGA 510 14″ and 15″ boast more than 50% improved battery life. The 510 has a new design, lighter weight, and it delivers up to 8.5 hours battery life. Similar to the YOGA 710, the new YOGA 5101 delivers a smooth transition between laptop, stand, tent, and tablet modes. Lighter than before at only…