Rugged Laptop Battery Protector Rugged Laptop Battery Protector from Grant Riley Rugged Laptop Battery Protector A rugged battery protector for the Panasonic C-20 Toughbook. View Website Onshape 3D CAD model. First SLS prototype. Final product, manufactured in SLS Nylon 12. Product in-use. gLike Rugged Laptop Battery Protector A rugged battery protector for the Panasonic C-20 Toughbook. View Website Engineering Industrial Design Product Design Share R 7 n Grant Riley Founder of Think Refine Salisbury, United Kingdom Follow Contact