An economical and easy to manufacture miniaturized fuel cell (40, 40', 40") having fuel chambers (52, 52a-k) formed from a substrate (62, 62a, 62b), such as a silicon wafer, to define a plurality of elongate fuel chambers (52a-k) in fluid-communication wit...

A battery arrangement that minimize battery-to-battery and battery-to-device contact resistance by rupturing or removing insulating contaminant layers on the portions of the battery terminals (106,108,206,208) that contact each other or that contact the de...

Mapping information is presented to a user. Information about dynamic road conditions is integrated into static mapping data (22) to generate dynamic mapping data (24). The dynamic mapping data (24) is displayed to a user via a display (14). For example, t...

A smart charger, comprising: a housing (10) with a first interface (12) for power transmission and data transmission and adapted for connection to a first communication device (14), with a second interface (16) adapted for connection to a power source, and...

A high availability DC power supply (30) with isolated inputs comprises a first diode (36) having a first diode output and a second diode (38) having a second diode output, the diodes receiving isolated inputs from respective power source inputs (42, 50) v...