Portable power bank w/USB

cults3d

8-24v with 5v usb PCB BMS Protection Board:https://www.banggood.com/4S-40A-Li-ion-Lithium-Battery-18650-Charger-PCB-BMS-Protection-Board-with-Balance-For-Drill-Motor-14_8V-16_8V-Lipo-Cell-Module-p-1405559.html?cur_warehouse=CN&rmmds=buy orhttps://www.banggood.com/DC-24V-15A-6S-PCB-BMS-Protection-Board-For-Solar-18650-Li-ion-Lithium-Battery-Module-With-Cell-p-1321337.html?cur_warehouse=CN&rmmds=search Waterproof 3A 5.5 X 2.1mm DC Socket plug Power:https://www.banggood.com/Waterproof-3A-5_5-X-2_1mm-DC-Socket-plug-Power-Charger-Plug-Female-Panel-Mount-p-1053675.html?rmmds=detail-left-hotproducts&cur_warehouse=CN Battery Pack Power Indicator:https://www.banggood.com/1S-or-2S-or-3S-or-4S-Lithium-Battery-Pack-Power-Indicator-Board-Electric-Vehicle-Battery-Power-p-1311419.html?rmmds=myorder&cur_warehouse=CN&ID=528226 red switch:https://www.banggood.com/Wendao-DS-228-125V-3A-12mm-Self-Locking-ON-or-OFF-Switch-Push-Button-Round-10pcs-p-1060414.html?rmmds=myorder&cur_warehouse=CN&ID=228 Mini 5A DC-DC Converter Step Down Module :https://www.banggood.com/Mini-5A-DC-DC-Converter-Step-Down-Module-Voltage-Regulator-Buck-Board-4_5V-18V-to-3V-3_3V-3_7V-4_2V-5V-6V-p-1626234.html?rmmds=myorder&cur_warehouse=CN&ID=519957