NOVPEAK Rechargeable Detachable Extended Backup Battery Portable Charging Case Power Bank Pack Cover iPhone 6 / 6S (3800MAH) (Black) SAFE DESIGN:rgonomic, form-fitting, fully protective impact-resistant case-and-battery in-one for iPhone 6 6s. USING & CHARGING:Integrated power switch allows you to put the iphone 6 6s External Battery Case in standby model. Only use the battery when you need it. In standby mode(red), the External Battery Case still allows charge and sync SAFIER BATTERY AND PROTECTION OF CASE:capabilities through the lighting port and still offers the complete protection of case.User breakthrough rechargeable lithium polymer battery. (Much safer than those troublesome lithium Ion batteries) 4 LED LIGHT INDICATOR:Track battery power status at a glance with an integrated 4-light LED status indicator. Indicates charging mode and current battery life. Know before you go! 100% MONEY BACK GUARANTEE: If you are not satisfied with our battery case,let us know and you will be offered a full refund or replacement. Enjoy this absolutely RISK FREE purchase by clicking the yellow Add to Cart button.