iPhone 6/6s Plus Battery Case,QCell 4000mAh Slim Juicer Double Layer Extended Battery Charging Case for iPhone 6/6s Plus,(Fits All Mobile Carriers of iPhone 6/6s Plus)-Black State of the art Design. Increases battery life by an additional 170%. Black Color Full Protection Construction built to endure hard drops & heavy shocks. 4 LED Indicator to show battery case charge level. Independent on/off power switch. 365 days QCell Warranty Guarantee with Amazon 30 days Full Refund Guarantee; Longest warranty period in market; 24 hours / 6 days a week support; 100% Zero Defect Guarantee.