21700 4S Battery Holder, Large Current (DIY) Battery Box Supports High Current 3D Printable Model

21700 4S Battery Holder, Large Current (DIY) Battery Box Supports High Current is a 3D printable model, which we searched from web for you, so you can easily print on your own 3D printer or use print on demand 3d printing service. More 3D printer models from Hoverhy are here.