Best iPhone Plus Battery Case Rechargeable

Best iPhone 6 Plus Battery Case - Alpatronix BX150plus iPhone 6 Plus Battery Case [5.5 Inches] - MFi Apple Certified 4000mAh External iPhone 6 Plus Battery Case Removable, Rechargeable Protective iPhone 6 Plus Charging Case [Ultra-Slim iPhone 6 Plus Charger Case / Full Compatible Support with iOS 8+ & Apple Pay / iPhone 6 Plus Extended Battery Case / Heavy Duty & Rugged / No Signal Reduction / Fits all colors for iPhone 6Plus for iPhone 6+ Battery Case] - (Black: Black Carbon Fiber Plate)