【diy power bank】: large capacity,8 x 18650 batteries (batteries not included). Dual usb power bank, two devices can be charged at same time.Three input ports,any usb cable can charge the power bank.
【intelligent 18650 battery charger】: compatible with 18650 flat head lithium battery (65mm length). Each battery slot is individual charging and detection. It automatically terminates charging when the batteries are full charged.(note: please notice the positive and negative poles)
【easy to use】: compact and lightweight design for easy carrying; easy to install and uninstall; convenient take and use.
【lcd display】: accurate display of power, keep the battery status at any time.Power bank and rechargeable 18650 battery charger. Plug and play, power output using the usb port, plug the data cable to achieve portable, ready to charge.
【widely use】: compatible for phone 11 pro max x xr xs 8 7 6 plus/6/5s,for pad,for samsung galaxy s8 s7 s2/s3/s4, note 2/3/4