Size:HUAWEImate20Pro Portable Rechargeable Extended Backup Battery Charging Pack External Power Bank Protective Case Cover---Specially designed for Huawei Mate 20/Mate 20 Pro Smartphone Product Type: A+ grade lithium ion polymer batteryInput Current: 5V 2000mAOutput Current: 5V 2000mAOperating Temperature: 0 ℃ -45 ℃Battery capacity:4500mAhStorage / Transport Temperature: -20 ℃ ± 50 ℃Cycle Life: ≥ 500 timesCharging time for battery case: about 4-6 hours Charging time for Huawei Mate 20 Pro: about 3-4 hoursProduct Weight: 174g (6.12oz)Product Size: 18.6 * 10.5 * 2.7 (cm) How to charge the battery case:1.Connect your original charging cable(Not Included)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. KINDLY NOTE:1.Please use the original cable that comes with the Huawei Mate 20/Mate 20 Pro phone to charge the battery case. Generic or 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.3.Due to the high output power, the battery case will become warm gradually when charging, which is normal and no need to worry.4.Please turn off the power case when not in use to avoid continuous power consumption.
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