12 V connectors
The Anderson Powerpole has been adopted by the amateur radio community  as their standard 12-volt DC power connector for everything from radios to accessories.
- Deans connectors: http://www.toysonics.com/10-pairs-2-pin-golden-plated-deans-connector-t-plug.html
- Tamiya connectors: http://www.batteryspace.com/tamiyaconnectorsadaptor.aspx
- "Powerpoleing Your Power Connections" by Stan Horzepa, WA1LOU, 2003: "the Anderson Powerpole is the emerging national ARES/RACES standard"
- Wikipedia: "DC connector" briefly discusses all of the above connectors.