Battery Case Iphone 6s Or Iphone6 [MFi Apple Certified] COOLPOW CP630 Power Case 2600mAh (Black) 2600mAh Coolpow portable power CP630 is a high capacity backup power case which is especially designed for iPhone6. With standard lightning output and fashionable LED power screen shows power level anytime.CP630 could provide extra power whenever your devices need and wherever you may be. This is CP630, 3.How to charge CP630 by PC or AC power source 1)Connect CP630 with power adapter or PC by provided Lightning cable,CP630 gets charged. LED power indicators flashes when charging and holds on when fully charged. Each light stands for 25% power. 2)If you are going to charge CP630 and iphone 5 together, besides above ,please also place iphone 5 into the power case. Power gives priority to iphone 5,and turns to power case when your iphone has been fully charged. Care and Maintenance: Your device is a product of superior design and craftsmanship and should be treated with care. The following suggestions will help you protect your warranty. Keep the device dry. Rain, humidity and all types of liquids or moisture which contain minerals that will corrode electronic circuits. If the device does get wet, turn it completely dry. Do not store the device in hot areas. High temperatures that can shorten the life of electronic devices, damage batteries, and warp or melt.