Lumos backpack battery pack design assignment was more about brand building than about mechanical packaging. The design team made use of the opportunity to discover a new user experience for checking the residual battery charge in line with smart phones and gadgets. Concept exploration
Rapid prototyping was done to realise a high fidelity “look alike and work alike model” before going in for hard tooling.
Battery charge indicator button represented the brand [logo] and had four invisible level indications. On pressing the logo, the LED indications appear revealing the remaining charge present in the device. It stays for few second and later disappears.