Specifications: - Product Material: PC+ABS Plastic - Capacity: 5000mAh - Output Voltage: 5V - Output Current: 1 A - Input Voltage: 5V - Input Current: 1A Package Includes: - 1 X 5000mAh Backup battery FAQ Question: Does iphone battery case damage my phone when charging? Answer: No, absolutely not affect your phone. Our products adopt advanced lithium-polymer chip which is the world first-class and the same level as original chip for charging and discharging. Question: Why does not my phone respond when using battery case? Answer: Probable causes: 1. Your phone is not fully attached to the plug of battery case. ( Correct usage: Make your phone fully attached to plug of battery case without any clearance. Only half of the plug is inserted or leave clearances are not charged up successfully. )2. There are stickers on the edge of your phone OR there is protective stalinite sticker on the back of your phone. ( Only support HD protective Sticker on the back. ) Question: How long the battery case can be used? Answer: Its charge and discharge cycles can be more than 500 times. ( Pay attention, charging loop here refers to a complete once. If it only works half, of course, counted as a half. ) Question: Why the charging wire is excluded from your product? Answer: Because you don't need it. Apple's original lightening interface can be directly charged for the battery. And you can also charge your phone and battery case by using lightening at the same time. Question: Why I can hear a slight sound when I shake the battery case? Answer: Don't worry. The sound comes from the power key of battery case on the back when shaken. ( Pressing and holding down the power key, the sound will disappear after shaking the battery case. )
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