Dremel 8220 Series 12-Volt MAX Lithium-Ion Variable Speed Cordless Rotary Tool Kit + Rotary Tool Accessory Kit (130-Piece) 71301+8220N/30H - The Home Depot
Cameron Sino 1500mah Battery For Dremel 8200 Multi Max, 8220 8300, For Berner Bacp 10.8, Bti 10.8, For Wurth Master 10.8 - Digital Batteries - AliExpress
Dremel 8200 8220 8300 1500mAh Replacement Battery: BatteryClerk.com Power Tool