Specifications: General Type: Backup Power Bank Case Compatibility : For Samsung Galaxy Note 8, Note 9, Note 10, Note 10 Pro, S8, S8 Plus, S9, S9 Plus, S10, S10E, S10 Plus, S10 5G Material : ABS+PC Cell type : Li-Polymer Battery Capacity (mAh):5000mAh - 6500mAh Special Functions: Battery Cases For Samsung Galaxy Note 8, Note 9, Note 10, Note 10 Pro, S8, S8 Plus, S9, S9 Plus, S10, S10E, S10 Plus, S10 5G Storage / transport temperature: -20 ℃ ± 50 ℃ Cycle life: ≥ 500 times Charging time: 8 hours Compatible Model: For Samsung S20 / S20 Plus / S20 Ultra (6000mAh) ; For Samsung S8 / S9 / S10E / Note 9 / Note 10 (5000mAh) ; For Samsung S9 Plus / S10 / S10 Plus / Note 10+ (6000mAh) ; For Samsung Note 8 / S8 Plus / S10 -5G (6500mAh). How to use: To charge the phone with the battery case: Attach the battery case to your phone, and then press the power button. The battery case will begin charging your phone. Press the power button once to check the battery level. The illuminated LED will show the battery level. Assembly: Slide your phone gently into the the battery case, and make sure the phone is well connected to the micro connector of the battery case. To charge the battery case: Connect the charging cable to the battery case’s USB input interface, and then connect the cable to a USB charger. Press the power button once to charge the phone and battery case simultaneously. The battery case is fully charged when all four LED indicator illuminated and stop flashing. Notes: When charging the Battery Case with phone attached, the phone battery will be charged first. After the phone battery is fully charged, charging of the battery case will begin. Contents 1X User Manual 1X Backup Battery Charger Case #SamsungS10Plus #S10E #S105G #Note9 #Note8 #GalaxyS9Plus #SamsungS8Plus #Note10Pro #GalaxyNote10 #5000mAh #6000mAh #6500mAh #Battery #ChargerCase #Extended #PowerBank #Kickstand #แบตสำรอง