DIY high-performance batteries, made of scrap metal, laundry soap, and a glass jar - Electronic Products
TUTORIAL: How to Create Your Own DIY Battery Pack! (On the Cheap! - Misc - Lithium Ion) - YouTube
Turn Your Spare Pocket Change into DIY Batteries with This Penny Power Hack « MacGyverisms :: WonderHowTo
Amazon.com: XBERSTAR 18650 Power Bank case,Li-Ion Battery Storage Box -18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (set1) : Electronics
DIY project | How to make an ultra thin battery at home - YouTube