Hyper unveils 'world's most powerful USB-C battery pack' with Kickstarter campaign, 50% off deal - 9to5Mac
11.26V 95Wh New Laptop Battery for Mac Book Pro 15" inch A1494 A1398 Retina [only for Late 2013 & Mid 2014] ME293 ME294 - 12Months Warranty - Walmart.com