iPhone 7 Plus Battery Case 7000mAh, (5.5 Inch) SQDeal Slim External Rechargeable Protective Portable Charging Case Juice Power Bank for iPhone 7 + / 8 + (black) EASY TO USE & 2 IN 1 FUNCTION : (1) Just separate its top cap and slide your iphone all the way to the bottom section until the Lightning connector is full inserted into your phone,then reattach the top cap. (2). The iPhone 7 Plus/ 8 Plus Battery Case Charger design Protecting and Charging 2 in 1 makes sure that your phone will be protected from drops and impacts. CHARGE AND SYNC SIMULTANEOUSLYYou can conveniently charge and sync both the battery case and iPhone 7 Plus to your Macbook, PC or laptop without having to remove the battery case. MUTIPLE PROTECTION CIRCUIT DESIGNMultiple protection circuit design efficiently avoids short-circuit, over-charged and malfunction even under extreme conditions. LED POWER INDICATOR & STAND -BY SWITCH : With the features of 4 LED battery level indicator letting you know exactly the power you have (0--25%--50%--75%--100%); besides, you could switch on/off the battery case with the power switch button. QUALITY ASSURANCE & WARRANTYSQDeal offers 12-munth warranty and 30 days muney back without question.If you are not 100% satisfied with your new iPhone 7 Plus charger case, just let us know! Contact us via Amazon and we can help with any issues that you may have.