Samsung Galaxy Note 9 likely to feature 4000 mAh battery, wireless charging
13 smartphones with 4000mAh battery and higher
Amazon.com: EMNT 4000 mAh Battery Compatible with iPhone 6s High Capacity A1633/A1688/A1700 Battery Replacement 【New Version】 with Repair Tool Kits and Instructions【2 Years Warranty】. : Cell Phones & Accessories
New Android Cheap Cell Phone 6.3 In Factory Unlocked Smartphone Dual SIM 4000mAh | eBay
CyberPowerBank 4000mAh Phone Charger: Portable and Compact Power Bank with Fast Charging Technology and LED Indicator
Xiaomi on X: "4000mAh battery life and 18W fast charging are the perfect duo for your everyday use. What's more, the 18W adaptor is included in the box! #RedmiNote8T #4Cameras4Everyone https://t.co/YD4cm6sINk" /
Battery Case for Phone XsMAX, 4000mAh Slim Charging Case Protective Rechargeable Charger Case 6.5 inch - Walmart.com