DIY Battery Power Bank Box 5 Slots 21700 Battery Power Box 5V/2.1A Dual Port Output Power Bank Portable Power

Introducing the DIY Battery Power Bank Box, a unique and versatile product that allows you to create your own portable power bank with 5 slots for 21700 flat head batteries. This solderless and reusable battery case is easy to install and can be repeatedly disassembled and replaced. With a power display and intelligent automatic shutdown, this power bank is perfect for home or outdoor activities. Please note that it does not support pointed batteries and requires 21700 flat headed batteries (not included). It is important to have a certain understanding of this product before purchasing, as improper use may cause damage. Please also note that it does not support 3.2V iron phosphate batteries and should not be used with damaged or modified/welded batteries. With a dual USB output and an input interface of Type-C port, this power bank has a maximum output power of 12W. The package includes one 21700 battery box (batteries not included). Don't miss out on this high-quality and convenient product for all your power needs.