Power Bank Case

Simple power bank using a cell from a disabled DJI Phantom 4 battery.Remove the insulating plastic on one site of the battery terminals enabling the M3 washers to make contact.The Push Pin is best printed with a 0.2mm nozzle. Hardware:6 pcs Flat Head Screw M3x82 pcs Screw M3x62 pcs M3 washer2 pcs Solid Copper wire ø1.0x15mm Lithium Battery Charger Board LED Dual USB 5V 2.4A Micro / Type-C USB Mobile Power Bank 18650 Charging Modulehttps://aliexpress.com/item/1005007355627240.html