Need a new power supply for your ET312?  This 15-Volt wall adapter will fit the 312 power box to charge your power box and run it using the wall adapter only.

Comes with several other adapters for use to run other 15V devices (be sure to get the exact specifications before using this adapter on other devices).  You do not need to use any of the included adapters.  The one fixed to the end of this one fits into the ET312 to power it.

• US Adapter,Input Voltage : AC 100-240V,50-60Hz (Worldwide AC Input)
• Output : 15V 2A/2000mA Max (Also Compatible with 650mA or lower device)
• Connecter(Tips) Size : 5.5mm x 2.1mm ,Wire Length:Approx. 3.6Ft, with line controller
• I/C Chip Technology To Protect Your Device: Over Voltage Protection, Over Heat Protection,Over Current Protecion
• The Charger Applicable With:Router,humidifier, air cleaner, electronic refrigerator, LCD monitor, LED lighting, communications equipment, audio and video products, security, computer case and the other digital products which requre 5.5*2.1 mm plug