Stainless Steel Battery Case Replaces 9V/C/D/AA/AAA Alkaline Batteries, 1.5V Li-ion Rechargeable (AA/AAA) with Type-C/Micro USB Charging Product Overview Our stainless steel battery case features a Type-C port and is manufactured through integrated molding for enhanced drop, impact, and corrosion resistance. The non-toxic stainless steel construction meets environmental and safety standards. With core advantages of wide compatibility, easy charging, durability, and high eco