Color:Black This  iPhone 11 Pro Max 6.5 inch  Battery Charging Case is designed to improve the performance and battery life for your . [NOTE]:1. Please use the original USB power adapter and Linghting cable that comes with the iphone 11 to charge the battery case. non-original chargers may cause the battery case to malfunction.2. The phone will be charged prior to the battery case when charging.The battery case will begin to charge only after the phone is fully charged.[Specification]:-Battery Type: Lithium-polymer battery.- Input: 5V / 1A- Output: 5V / 1A- Product weight: 145g- Product size: 16.2 * 8.2 * 1.45 (cm)- Charging time for battery case: about 4-6 hours- Charging time for your phone: about 3-4 hours [How to charging the iPhone 11]:1. Take off the top cover of the battery case and slide your phone into it. Make sure your mobile phone is well connected to the dock on the battery case.2. Press the ON/OFF switch at least 3 seconds to activated or stop the charging, see the mobile phone screen to identify the charging signal. [How to charging the battery case]:1. Connect your iPhone 11 original charging cable to the battery case's input interface, and then connect the cable to a charger adapter.2. Press the power button once to charge the phone and battery case simultaneously. phone will be charged first,after phone full charged,it will charge battery case.3. Does NOT support:Wireless charging /Car charger / High voltage or Quick charge adapters. [ Package includes: ]- 1 * Battery Case for iPhone 11 Pro Max 6.5 inch 4000mAh Battery Case.- 1 * User manual.
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