Micromax Flash X910 - Large 2.8-inch Feature Phone, 4000 mAh Battery, Use as Powerbank - Mobilescout.com - MobileScout.com
Xiaomi - Is a 4000mAh battery just a number to you? What if we told you 4000mAh means a day and a half without worrying about running out of juice. #RedmiNote7 #48MPforEveryone
Phones with 4000 mAh or bigger battery
Budget Phones with 4000mAh Batteries That Have Crazy Battery Life