M3-ATX :Programmable PSU, 6 to 26v Vin
You can program on/off regarding contact key ( for example)

- 125 Watts (150watt peak) PSU
- 20pin ATX, 6-24V wide input range
- Programmable timing settings
- Intelligent shutdown controller
- ON/OFF motherboard control
- Survives vehicle engine cranks
- Battery deep discharge prevention
- High efficiency, 125 watts output
- "Anti-Thump" Amplifier remote control
- < 0.5mA standby current
- VIA, P4 and AMD CPU support