SMI AC Adapter No. 100 217V AC 3 4.5 6 7.5 9 12V 300mA Battery Hook Up
This has a 4 different connection kinds and a battery connection spot that I believe is for recharging batteries that are rechargable.
300 mA Universal AC to DC Adapter 3 4.5 6 7.5 9 12V, 100/120 & 220/240V AC
300mA AC to DC universal adapter. Output:3 4.5 6 7.5 9 12V. Input: 110/120V AC 60Hz and 220/240V AC 50Hz.
300mA Universal AC to DC Adapter 100/120 & 220/240V AC-3 4.5 6 7.5 9 12V, 300 mA
300mA AC to DC universal adapter. Current: DC 300mA max. 300 mA Universal AC to DC Adapter 3 4.5 6 7.5 9 12V, 100/120-220/240V AC. Output:3 4.5 6 7.5 9 12V.