AT&T Lumias get reduced battery life estimates October 7, 2012 by admin Tweet The Lumia 920 and 820 that are heading to AT&T have had their battery estimates slashed. What’s even more interesting is that the international versions of the phones retain their original values. Read more… Neowin Related Posts:The Ring Battery Doorbell Plus promises three times…Sony's $200 DualSense Edge has even shorter battery…Google promises 10% better battery life in Chrome…The Apple iPhone 16 Pro Max could reportedly offer…OnePlus Watch 2r launched with 100 hours of battery life