A simple power bank that anyone can assemble. You can find all the necessary parts at the following links.Main board: https://aliexpress.ru/item/1005005245948244.html?spm=a2g0o.order_list.order_list_main.40.6739a396xTwLMD&gatewayAdapt=glo2rus&sku_id=12000032346086835Balancer: https://aliexpress.ru/item/1005004565666757.html?spm=a2g0o.order_list.order_list_main.34.6739a396xTwLMD&gatewayAdapt=glo2rus&sku_id=12000032401892559M2 5mm screws: https://aliexpress.ru/item/1005005469489415.html?spm=a2g0o.order_list.order_list_main.4.6739a396xTwLMD&gatewayAdapt=glo2rus&sku_id=12000033207144124Support PPS/PD3.0/PD2.0/AFC/FCP/QC3+/QC3.0/QC2.0/SCPInput support: 5V/9V/12V/15V/20V voltage.PPS output support: 3.3V-21V/3A.PD3.0/PD2.0 output support: 5V3A/9V3A/12V3A/15V3A/20V5A.QC2.0 output support: 5V3A/9V3A/12V3A.QC3.0 support: 5V-12V output voltage, 200mV/Step.AFC output support: 5V3A/9V2A/12V2A.Input support: 5V/9V/12V voltage.FCP output support: 5V3A/9V2A/12V1.5A.Input support: 5V/9V/12V voltage.SCP output support: 5V4.5A, 10V2.2A.Input support: 5.5V3A.