Human-powered wearable computing
- Article describing the physical limits of generating energy directly by the human.
- http://researchweb.watson.ibm.com/journal/sj/353/sectione/starner.html

NRG Research
- Produce several battery belts and vests (and professional video lighting equipment). Catalogue online.
- http://www.nrgresearch.com

Making a battery pack adaptor for the M1 HMD
- explains with photos how to adapt a model-building battery pack for wearables.
- http://elemental.org/~daleg/gargoyle/m1-batt-pack.html

Energy Scavenging with Shoe-Mounted Piezoelectrics
- Article on how to generate electrical energy by walking.
- http://www.computer.org/micro/homepage/may_june/shenck