zerolemon may be about to launch their 8500mah extended battery

http://zerolemon.com/product-category/lg/g4/ check it out the product page (as of 9:07pm EST 8/24/2015) shows a broken image/hyperlink to the product

listed as "LG G4 Extended Battery ,Zerolemon LG G4 8500mAh Extended Battery + Black TPU Full Edge Protection Case (Fits All Versions of LG G4) [180 days ZeroLemon Warranty Guarantee] – Black"