DUSC 18650 Power Bank Box, Compact 18650 Power Bank Case Portable 10W Fast Charging for Most Mobile Phones

Amazon.com Price: $14.81 (as of 25/07/2023 09:50 PST- Details)

【LCD DISPLAY】The lcd display accurately displays the battery level, and you can keep track of the battery status at any time. And, the diy power bank is compatible with all types of mobile phones for charging, the power bank case has a wide range of uses and is a must have gift for you.
【DUAL-PORT ONPUT & 3-PORT INPUT】The battery charger case has large capacity with 8 x 18650 batteries (not included). Dual usb output ports can charge two devices at the same time. With three micro/type c input ports, any usb cable can charge the power bank.
【SMART 18650 BATTERY CHARGER】The diy power bank box case is compatible with 18650 flat head lithium battery. Each battery slot is individually charged and tested. And, after the battery is fully charged, the charging is automatically terminated. please pay attention to the positive and negative poles.