Lithium Ion (LiPoly) Battery - 110mAh 3.7V $8.34 Lithium polymer battery, but darn small! 3.7V 110mAh LiPoly battery for E-Textiles $8.34 What makes this battery special for E-textiles? Built-in current limiting for safety. SparkFun Pi Wedge B+ $9.55 A prototyping Wedge for Raspberry Pi B+ that allows you to use a shield and a protoboard […]